Post by thread:[PICLIST]

>>What's wrong with the one that already exists, spam_OUTstampTakeThisOuTdiscus.mil.wi.us ? >> >>It was created a couple of months ago for discussion of the Basic STAMP >>programmed PIC, and general PIC stuff. > >I am not familiar with this other list (I just sent a subscribe msg), so I >can't say how the two compare/complement/compete/etc. > >However, someone else pointed out that this list (.....picKILLspam@spam@figment.mit.edu) >could complement the other list (stampKILLspamdiscus.mil.wi.us) by focusing on >assembly programming and hardware issues. The relationship between Parallax Basic Stamps and Microchips PIC's seems to cause more confusion than any other issue with these chips. I feel that two lists will be helpful and may help to clear up some of this confusion, and the two lists are complementary rather than competing. =%-) Ian p.s. I hope this won't sound too condecending but here is a potted description of the PIC and the STAMP to try and sort out some of the confusion. PIC - A microcontroller produced by Arizona Microchip. Based on a Harvard RISC architecture with about 30 instructions. There are several versions with differing core processors, ram, eprom/eeprom and built in peripheral I/O. They are blindingly fast (0-20MHz -> 0->5 MIPS(ish)) with each instruction only taking 4 clock cycles (except jumps which take 8 clock cycles). STAMP - A Single board computer, the size of a largish stamp (no surprise here ;-) Programmed in an interpreted BASIC language. It just happens to be based on a PIC microcontroller, together with a serial eeprom used to store the BASIC tokens. They are much simpler to program than PICs, but much slower and have less available I/O pins. The relationship is something vaguely like that between an Intel 80x86 and an IBM PC running BASICA..... Ok so this is really vague! but you get the idea (I hope ;-)

Anyone have any pointers to PIC part libraries i.e. ORCAD, CIRCAD, etc. I've seen Intel and Motorola libs. Given the size of the Microchip part lineup I doubt they've published a lib, but anyone made their own part def?

Anyone come across a PIC16c5x decompiler? One of my beta test prototypes came back with it's ID # rubbed off of it's protective sticker. I didn't set the protection bit so reading is no problem but I've got dozens of versions out and the prospect of doing binary "greps" is not pleasant. Given that its INTEL hex it's a trivial string parse, but why reinvent the wheel. Also of note anyonewho needs a place to burn a chip in the Atlanta area is welcome to call me, until I was able to bill mine on a contract I was at the mercy of others. Thats what this group is all about IMHO. -Cheers

> I have to make a correction on the ftp location of my MpK source. > It's to be found at: ftp.ntb.ch /MicroChip/PIC/MpK > > Read the *.idx files... MpK is now also available on ftp.funet.fi in /pub/microprocs/pic/mpk/* > regards, Michael Thanks, Michael! -- vinsci

Does anyone have any experience implementing digital filters, specifically low pass filters, on the lower end PICs, e.g. the 16C71?

>I have just posted my PIC assembler for unix to ftp.funet.fi >called pictools.tgz and pictools.info (I hope). This will >no doubt be moved under the /pub/microprocs/pic heirarchy soon. It is now available in the directory /pub/microprocs/pic/pictools as the file pictools.tgz (pictools.tar.gz is the same file). Thanks for the contribution, Ian! -- vinsci

>Please send info you've accidentally send an administrative matter to the pic list itself. there is another address for administrative matters (like adding, deleting yourself from the list, etc) if you are looking to join the pic-list (which discusses pic microcontrollers made by Microchip) you should send a message to the following listserv: .....listservKILLspam.....mitvma.mit.edu with text of: subscribe PIC -jory

Currently, I'm using shift registers to output address lines A2 to A16 on a 64Kbit SRAM. I've connected A0 and A1 directly to the PIC so I can get at any of the four bytes with very little overhead. Writing two bytes to the external memory with this technique still takes lots of cycles - around 280 all in all, with handshaking the shift register and the SRAM chip and putting out the address bits. I have the data lines connected directly to the PIC as well. BTW, I've been off net for a month and a half, anyone waiting for e-mail responses should get them soon (8 megs of mail to read...). -- vinsci

You can download many (all?) of the Parallax tools from their BBS. --Chuck

Hi Jory, regarding the post of Lance: IMO this is inside of what should be permissible on the mailing list. Why ? - it gives information regarding the PIC (or closely related items) - it has a reasonable length I don't think that it is very different from other posts e.g. stating prices of PICs, or saying something about availability of new PICs. But you are right, it is sometimes difficult to decide what may be inside these limits, and what not, but (so far :-) ) I have nothing to criticise on your decisions in this respect. Bye Markus

>From uga.cc.uga.edu!MITVMA.MIT.EDU!owner-pic Tue Jan 10 09:55:53 1995 remote fro m comgate Received: from daisy.ee.und.ac.za by comgate.ee.uct.ac.za with smtp (Smail3.1.28.1 #6) id m0rRbQe-00056dC; Tue, 10 Jan 95 09:55 EET Received: from uga.cc.uga.edu by daisy.ee.und.ac.za with smtp (Smail3.1.28.1 #14) id m0rRbam-0007VVC; Tue, 10 Jan 95 10:06 GMT+0200 Message-Id: <EraseMEm0rRbam-0007VVCspam_OUTTakeThisOuTdaisy.ee.und.ac.za> Received: from UGA.CC.UGA.EDU by uga.cc.uga.edu (IBM VM SMTP V2R2) with BSMTP id 8812; Tue, 10 Jan 95 03:05:09 EST Received: from UGA.CC.UGA.EDU (NJE origin LISTSERV@UGA) by UGA.CC.UGA.EDU (LMail V1.2a/1.8a) with BSMTP id 5202; Tue, 10 Jan 1995 03:04:39 -0500 Date: Tue, 10 Jan 1995 00:06:06 +0300 Reply-To: pic microcontroller discussion list <PIC%MITVMA.BITNETspam_OUTuga.cc.uga. edu> Sender: pic microcontroller discussion list <PIC%@spam@MITVMA.BITNETKILLspamuga.cc.uga. edu> From: Lance Walley <KILLspamlwalleyKILLspamPARALLAXINC.COM> Subject: Re: Parallax Assembler X-To: pic microcontroller discussion list <PIC%RemoveMEMITVMA.BITNETTakeThisOuTuga.cc.uga.edu> To: Multiple recipients of list PIC <PIC%spamBeGoneMITVMA.BITNETspamBeGoneuga.cc.uga.edu> Sender: Super User <TakeThisOuTrootEraseMEspam_OUTplessey.co.za> Bill Collins wrote: {Quote hidden}> >I got the PIC_TOOLS.ZIP file from the Parallax FTP site. It contains >PASM and Microchip's MPASM, but only has the instruction manual for >MPASM. Is the manual for PASM available, or is that the incentive to >buy the package rather than FTP it? > >Also, I looked at the FTP site again today, and couldn't find any of the >tools. Did I take a wrong turn, or have they removed the PASM and BASIC >stamp tools? There are three files that should help you with our assemblers: INST.TXT, INSTX.TXT, and PICPGM.PDF. The first two files are text files that briefly explain the directives and instructions accepted by the assemblers. The third file is a PDF (Acrobat) version of the following chapters in our printed manual: Assembler, Simulator, Programmer, and Instructions (Parallax and Microchip). If you can use the Windows or Mac PDF reader (which takes forever to download from our ftp site), then the PDF file is your best bet. It's the same file provided with our "Hobbyist Pack" programmer, and gives you a near-printed-quality manual (if you use a laser printer). To find the PDF files, look in the Acrobat directory at our ftp site. I'm a little confused by your second paragraph. In the first paragraph, you said that you got PASM and MPASM. In the second paragraph, you said that you couldn't find the tools, such as PASM.EXE or STAMP.EXE. Both are part of respective ZIP files, such as PIC_TOOLS.ZIP and STAMP.ZIP. Soon, I think we will make the most important files available separately. For now, though, they are only available in the larger ZIP files. We certainly don't want to make the tools unavailable. Please let us know if you still have problems getting them. ------------------------ Lance Walley --------------------------- Parallax, Inc.

Here is my stab at fixing the 16bit counter problem test movlw 04 movwf hibyte ;some test data loop movf lobyte,w iorwf hibyte,w btfsc status,z goto finish decf lobyte * changed line btfss _v ; #define ALUSTA,3 _v * added line goto loop decfsz hibyte goto loop finish goto finish end Your basic flaw is that you were decrementing the high byte when the low byte went to all zeros. You need to decrement the high byte when the low byte goes to all ones! I think this will work? Something tells me there is a better (more efficient?) way to do this though? Hope this helped Roy

With all the talk of hotrodding pics, which IMHO turns them into say hc11's, why not not take a road not traveled? How many of you have had to design something that had to catch data quickly or do combinatorial logic? By uC standards a PIC is pretty fast, but it's no match for a PAL/GAL (name your favorite FPGA). Combine a uC with an FPGA in the same package and you save tons of interconnects. If the pins were configurable with some extended version of the now defunct TRIS instruction you would have a winner. Case in point, I recently built an ISA card and a PIC just isn't fast enough to catch data off the bus so I had to use a latch. Half my PIC pins went unused. You don't need anything as fancy as a 22v10, but take a 16cxx core and extend it to say 48 pins (5 8 bit ports) with a little extra gating between the pin and the port, and your close. ---------------------------------------------------------------------------- Rick Farmer RemoveMEgt5876bTakeThisOuTprism.gatech.edu `85 CB700SC AMA# 482666 3510 Buford Hwy K-6 85k miles and 10 years of merciless abuse and it still Atlanta, Ga. 30329 lives, but then again a spare engine (or two) helps.

Within the last 6 months or so I've seen someone refer to a project that they were working on that is similar to the 'Jumping Water Fountains' found in EPCOT Center at Walt Disney World in Florida. I've gone through the archived log files (thanks Nick/Jory) but still can't find any reference to this project - maybe I saw it at someones WWW site? I'm going to try my hand at controlling such a setup with a PIC, but I would like to know what type of water pump works best for this type of 'pulsed' application. If anyone knows the Email address of someone that has already attempted this, or has any info that would be helpful, I would appreciate it. [Note: This is a series of water fountain 'jets' that shoot a thick pulse of water approx. 6 feet to the next fountain - in this manner, it looks like the water 'blobs' are leap-frogging along.] Thanks, Don ---------------------------------------------------------------------- * Don Berard * Raytheon ED, Portsmouth Facility * * dabEraseME.....ssd.ray.com * Portsmouth, RI 02871-1087 * ----------------------------------------------------------------------

Using a pump for each fountain would be much to expensive, you should use solenoid valves and one pump to increase performance, decrease cost. {Quote hidden}>Within the last 6 months or so I've seen someone >refer to a project that they were working on >that is similar to the 'Jumping Water Fountains' >found in EPCOT Center at Walt Disney World >in Florida. I've gone through the archived >log files (thanks Nick/Jory) but still can't find >any reference to this project - maybe I saw it >at someones WWW site? > >I'm going to try my hand at controlling such a setup >with a PIC, but I would like to know what type >of water pump works best for this type of 'pulsed' >application. > >If anyone knows the Email address of someone that has >already attempted this, or has any info that would >be helpful, I would appreciate it. > >[Note: This is a series of water fountain 'jets' that >shoot a thick pulse of water approx. 6 feet to the next >fountain - in this manner, it looks like the water >'blobs' are leap-frogging along.] > >Thanks, Don > > ---------------------------------------------------------------------- > * Don Berard * Raytheon ED, Portsmouth Facility * > * EraseMEdabssd.ray.com * Portsmouth, RI 02871-1087 * > ---------------------------------------------------------------------- Doug Sellner Beach Tech 4131 Vincent Avenue South Minneapolis MN 55410 Voice (612) 924-9193 x 521 Fax (612) 926-1145 Internet: RemoveMEdsellnerEraseMEEraseMEembay.com

Thanks for all of the responses so far to my inquiries on this subject. I've thought about using a single water pump in this application but am not sure that it will work for the following reasons: First an explanation of the layout for those who have not had the fun of playing in this water fountain system at Walt Disney World (in EPCOT) with their kids: There are a series of water fountains placed approx 4 to 6 feet apart that both 'spit' and 'catch' water blobs to/from each other. These water blobs randomly move between these fountains - sometimes only 1 'jumps' somtimes every other one jumps, and sometimes all fountains 'spit' to another. Note that a single fountain only spits to a single other fountain, and it is always the same one (I think). Because the number of fountains 'spitting' at the same time is not constant, the water pressure would drop as more fountains spit, and it could be possible that the 'blobs' would not travel as far - and not end up in the next fountains collectors. Does anyone know of an inexpensive method to monitor/adjust water pressure as quickly as it would seem to be needed? (Or do I just make the collecting dishes very large and not worry about this???) So far I think that the 12 volt water valves used in automatic lawn sprinkler systems (only about $15 USD) will work - as controlled by a PIC, and that the water regulators used at campsites to reduce high water pressure (110 psi) to a lower pressure could work (approx $12 USD). [Maybe if I use a single high pressure water supply, feed this to all of the fountains, and each fountain has its own regulator the problem would be solved - I'll try this...] I've also thought about using a system of compressed air valves to 'spit' the water through a custom 'jet', but I don't know of any electrically controlled air valves - that are cheap... Because my questions are not directly related to the PIC (yet) feel free to Email any responses to me so that this doesn't clog the PICLIST. Thanks again for all or the responses so far, Don ---------------------------------------------------------------------- * Don Berard * Raytheon ED, Portsmouth Facility * * RemoveMEdabspam_OUTKILLspamssd.ray.com * Portsmouth, RI 02871-1087 * ----------------------------------------------------------------------

I've been following the discussion on IR communications with some interest, and have a question about the protocol used in commercial remote control units. I have several hand held remote control boxes for TVs, VCR, cable boxes etc., along with a 'multi-remote' unit that can be set to control 3 devices. I would like to be able to use one of these commercial transmitters to provide the control for one of my PIC projects. I have been playing around with the IR Control Receiver Modules from Digi-Key (LT1033-ND 32.7 KHz), and Radio Shack (GP1U52X 40 KHz) Where can I find the specs for the commercial transmitter - i.e. if I set up the 'TV' output of the transmitter to a particular brand and model of television (the multi-remote units have charts and tables for this), what should I try to decode as a bit pattern at the output of the receiver? I would like to find some actual specs, rather than try and determine this with test equipment - this way I can set up my own tables for the PIC. In this manner, I could use the numeric keypad on the remote for control purposes. Thanks for any info, Don ---------------------------------------------------------------------- * Don Berard * Raytheon ED, Portsmouth Facility * * RemoveMEdabTakeThisOuTspamssd.ray.com * Portsmouth, RI 02871-1087 * ----------------------------------------------------------------------

> Where can I find the specs for the commercial transmitter - i.e. if > I set up the 'TV' output of the transmitter to a particular brand and > model of television (the multi-remote units have charts and tables > for this), what should I try to decode as a bit pattern at the output > of the receiver? I would like to find some actual specs, rather than > try and determine this with test equipment - this way I can set up > my own tables for the PIC. Philips offer good documentation for the RC-5 protocol used in their domestic products and, I think, a number of other manufacturers. This appears in a booklet called "Remote Control System RC-5 including command tables" published in December 1992. There may be some example code around for this on the net, too, though I'm not sure where. Sony use a different protocol : as far as I know it's still the system described near <http://pasture.ecn.purdue.edu/~laird/Sony/index.html>. -adrian

INFO REFCARD Doug Sellner Beach Tech 4131 Vincent Avenue South Minneapolis MN 55410 Voice (612) 924-9193 x 521 Fax (612) 926-1145 Internet: EraseMEdsellnerspamspamBeGoneembay.com

How do one write data to the ports of a Pic 16C84 Tinus

Hello there, I am a new member. Does anybody know of a good, cheap software simulator (freeware or shareware will do) for the PIC family. Daniel Rocha

We have just ordered the cheaper one. We will be happy to let you know what we think of ... tell us what you thing are hard concepts to code and we will see how the asm's compare. Jung {Quote hidden}> Date: Fri, 6 Oct 1995 12:00:01 -0700 > From: John Loch <RemoveMEjohnlochKILLspamMTT.COM> > Subject: ByteCraft vs. CCS C compiler vs. others? > > I've searched the net high and low for PIC C compilers. Can anyone comment > on these compilers? Are there others that aren't listed below? Thanks. > > 1.) Custom Computer Services (CCS) - $99 > Supports most PIC's with built-in special functions > http://execpc.com/~ccs/picc.html > > 2.) Parallax ByteCraft C Compiler - $795 > Supports 16C5x, 16C6x, 16C7x, 16C8x, and 17C42. > http://www.parallaxinc.com/pictools/c_compilers/ > > That's all I could find. Is the ByteCraft compiler worth the extra $700??? > > - John Loch > johnlochSTOPspamspam_OUTmtt.com

John Pelan said: ================ > Speaking of Basic, do you have any intentions of slapping > a GNU copyleft license on your PIC Basic ? Robin says: =========== Uh, what ? spamBeGonerobin.abbottSTOPspamEraseMEdial.pipex.com

>Gerry Smith <KILLspamLIUKBspamBeGoneKIRK.NORTHERNC.ON.CA> wrote: > >>I'm trying to find commonly used math expressions in my PIC >>programming. How do the majority accomplish the following: > Here's how I do equal's if A=B call Equal to movf a,W xorwf b,W btfsc STATUS,Z call Equal_To Be carefull about using Parallax macro's. I suffered from mixing them with assembly code, by jumping in between instructions. Better off just learning to use the Microchip code.

Subject: mpasm ... could someone put that in a ftp-able location ... or uploadit to the www site? Thanks.

SIGNOFF PICLIST Doug Sellner Beach Tech 4131 Vincent Avenue South Minneapolis MN 55410 Voice (612) 924-9193 x 521 Fax (612) 926-1145 Internet: EraseMEdsellnerEraseMEembay.com

On Fri, 27 Oct 1995 10:17:44 -0700 Lee Jones wrote: >On Fri, 27 Oct 1995 06:21:12 -0600, Harrison Cooper wrote: > >>I've started to play around with trying to sense a switched 110 VAC >>signal. I have brought it into an I/O pin (a diode protected pin), > >[snip] > >On Fri, 27 Oct 1995 16:20:26 +0100, Conny Andersson wrote: > >> Try this one: > >[diagram removed -- high ohm resistor input with diode voltage limiters] > >> The diodes are there for protection (voltagelimiting to 0-5V) > >Well, actual range is 0 minus 1 diode-drop to supply (nominally 5V) >plus 1 diode-drop. You might want to use a schottky diode to limit SIGNOFF PICLIST

@spam@abd03395@spam@spam_OUTniftyserv.or.jp, spamBeGonenakKILLspamsinnica.edu.tw, .....chuspam_OUTaoone.net.au, TakeThisOuTjtw.....TakeThisOuTdialicks.co.nz, TakeThisOuTharryKILLspamspamnitec.ac.jp, .....leeniRemoveMEosaka.ac.jp, RemoveMEgarspamBeGoneunee.edu, spamBeGoneseng@spam@spam_OUTpll.my, TakeThisOuTtox04894spamniftyserv.or.jp, rty02834EraseMEniftyserv.or.jp, RemoveMEjuiEraseMEspam_OUTpll.my, @spam@hreRemoveMEEraseMEpll.my, EraseMEkare@spam@osaka.ac.jp, @spam@are04255spam_OUT.....niftyserv.or.jp, spamBeGoneytr03785EraseMEniftyserv.or.jp, anb02395spamBeGoneniftyserv.or.jp, RemoveMEtfg@spam@spamBeGonesinnica.edu.tw, .....vea@spam@EraseMEaoone.net.au, .....yreRemoveMEdialicks.co.nz, .....alanSTOPspam@spam@nitec.ac.jp, nagaEraseME@spam@osaka.ac.jp, RemoveMEsetspamBeGoneunee.edu (Association of International Students, Executive Board of Directors, Japan Chapter) Subject: ===>> FREE 1 yr. Magazine Sub sent worldwide- 295+ Popular USA Titles -----> NOTE: Please first read my note which appears below the "Request for more info Form." Then, to get more info, just fill out the "Request for More Info" form completely and *email* it back to the company. To make it easier for you to reply, I have put their address in the "Reply-To" field, which means you can just use your email software to reply to this message in order to get that address to pop-up in your "To:" field. <----- *------------cut here-----------------------------------------------* REQUEST FOR MORE INFO: please return *only* this section only via internet email to: spamBeGonepotential.new.members.infoKILLspam@spam@0.5.5.1.7.6.9.8.1.7.1.tpc.int Sorry, but incomplete forms *will not* be acknowledged. If you do not have an email address, or access to one, they will not be able to help you until you do have one. If you saw this message, then you should have one. :) Name: Internet email address: Smail home address: City-State-Zip: Country: Work Tel. #: Work Fax #: Home Tel. #: Home Fax #: Name of USA mags you currently get on the newstand or in the store: Name of USA mags you currently get on a subscription basis, through the mail: Name of USA mags you would like price quotes on when they call you: Catalogue format desired from below two choices: (1. 19-part email message; 2. atttached file by email; see below on which format may be best for you). How did you hear about us (name of person who referred you or the area of the internet that you saw us mentioned in): Yoshio Koseki's referral 102895-l *------------cut here-----------------------------------------------* {{{Note- 19-part email can be received by anyone with any computer. Attached file format may not be for you: it is sent as an uncompressed 525K file formatted in Microsoft World on a Mac; if you don't use Microsoft Word on a Mac - you will have to know how to convert into a usable text format. They cannot help you with this. If in doubt, they suggest you go with the universally acceptable 19-part email message. You can always manually spend a few minutes pasting the parts into one whole.}}} Hi fellow 'netters, My name is Yoshio Koseki and I recently started using a magazine subscription club in the USA that has a FREE 1 yr. magazine subscription deal with your first paid order- and I have been very pleased with them. They have over 1,500 different USA titles that they can ship to any country on a subscription basis. As for computer magazines from the USA, they more of a selection than I ever knew even existed. They have magazines for most every area of interest in their list of 1,500 titles. Within the USA, for their USA members, they are cheaper than all their competitors and even the publishers themselves. This is their price guarantee. Overseas, on the average, they are generally around one-fourth to one-half of what the newstands overseas charge locally for USA magazines. On some titles they are as little as one-tenth of what the newstands charge. They feel that mgazines should not be a luxury overseas. In the USA, people buy magazines and then toss them after reading them for just a few minutes or hours. They are so cheap in the USA! Well, this company would like to make it the same way for their overseas members. They are also cheaper than all their competitors in the USA and overseas, including the publishers themselves! This is their price guarantee. Around one-half their business comes from overseas, so they are very patient with new members who only speak limited English as a 2nd language. Their prices are so cheap because they deal direct with each publisher and cut-out all the middlemen. They will send you their DELUXE EMAIL CATALOGUE (around 525K-big and juicey) !)...if you completely fill out the form above. It has lists of all the freebies, lists of all the titles they sell, titles broken down by categories and detailed descriptions on nearly 1,200 of the titles that they sell. Please do not email me as I am just a happy customer and a *busy* student. I don't have time to even complete my thesis in time, let alone run my part-time software business! Please fill out the below form and email to them at: potential.new.members.infospam_OUT@spam@0.5.5.1.7.6.9.8.1.7.1.tpc.int *NOTE: to make it easier for you to reply, I have put their address in the "Reply-To" field, which means you can just use your email software to reply to this message in order to get that address to pop-up in your "To:" field.* They guarantee to beat all their competitors' prices. Sometimes they are less than half of the next best deal I have been able to find and other times, just a little cheaper - but I have never found a lower rate yet. They assured me that if I ever do, they will beat it. They have been very helpful and helped me change my address from the USA to Finland and then back again when I moved last month. They are very knowledgeable about addressing mags worldwide. They have a deal where you can get a free 1 yr. sub to a new magazine from a special list of over 300 popular titles published in the USA. They will give you this free 1 yr. sub when you place your first paid order with them to a renewal or new subscription to any of the over 1,500 different popular USA titles they sell. They can arrange delivery to virtually any country and I think they have clients in around 35 or 36 countries now. Outside the USA there is a charge for foreign postage and handling (on both paid and freebie subs) that varies from magazine to magazine. I have found their staff to be very friendly and courteous. They even helped me with an address change when I moved from one country to another. The owner thinks of his service as a "club" and his clients as "members" (even though there is no extra fee to become a member - your first purchase automatically makes you a member) and he is real picky about who he accepts as a new member. When he sets you up as a new member, he himself calls you personally on the phone to explain how he works his deal, or sometimes he has one of his assistants call. He is kind of quirky sometimes - he insists on setting up new members by phone so he can say hi to everyone (I sure wouldn't want to have his phone bills!), but you can place future orders (after your first order) via E-mail. He has some really friendly young ladies working for him, who seem to know just as much as he does about this magazine stuff. If you live overseas, he will even call you there, as long as you are interested, but I think he still makes all his overseas calls on the weekends, I guess cause the long distance rates are cheaper then. He only likes to take new members from referrals from satisfied existing members and he does virtually no advertising. When I got set-up, they had a 2-3 week waiting list for new members to be called back so that they could join up. (Once you are an existing member, they help you immediately when you call. ) I think they are able to get back to prospective new members the same day or within a few days now, as they have increased their staff. I am not sure about this.........but if you email the above form to them, that is the way to get started! They will send you their DELUXE EMAIL CATALOGUE (around 525K-big and juicey) !)...if you completely fill out the form above. It has lists of all the freebies, lists of all the titles they sell, titles broken down by categories and detailed descriptions on nearly 1,200 of the titles that they sell. They then send you email that outlines how his club works and the list of free choices that you can choose from, as well as the entire list of what he sells; and then they will give you a quick (3-5 minute) friendly, no-pressure no-obligation call to explain everything to you personally and answer all your questions. Once you get in, you'll love them. I do. Sincerely, Yoshio Koseki ps. please forward a copy of this message to all your friends on the net who you think might be interested in it! It is a great deal! If you join and then they join after you, you will earn a free 1 yr. subscription for each new person you get to join after you join! If you exceed 25 referrals, they let you use them to give away as gifts, for Christmas, Chanukah or any other occassion. Please make sure to mention my name when you join. I will get a free magazine for a year for referring you. Thank you.

unsubcribe ************************** Daniel Aylen spamBeGoneDNA@spam@msi.imt.za **************************

unsubscribe piclist -- ____________________________________________________________________________ |\/\/\/| | | Alan Robertson. Novell System Manager. | | | (o)(o) Shell UK (Aberdeen) C _) 44 01224 818811 (VOICE) | ,___| 44 01224 818188 (FAX) | / 44 01224 582409 (HOME) /____\ RemoveMEarobertsEraseMEKILLspamcurrent.demon.co.uk (Internet UNIX mail) / \ 100141,3272 (Compuserve User ID) __________________________________________________________________________

Pls. help. After many attempts with the command "GET PICLIST9511" for example, with no results I am now trying the following commands INDEX PICLIST INFO DATABASE also with no response at all. I am addressing it to "spamBeGoneLISTSERVspam_OUTRemoveMEMITVMA.MIT.EDU" and also have tried ".....LISTSERVRemoveMEMITVMA.BITNET" Is there anything wrong on my request

can anyone point me to share/free ware windows pic 16c54 assembler software.also looking for a good simulator not dos. thanks scott.

scott@YOUNGGUN.DEMON.CO.UK wrote: > can anyone point me to share/free ware windows pic 16c54 assembler > software. Sure, Scott... You can download Microchip's MPASM assembler from their Web site: http://www.mchip.com/microchip -Andy Andrew Warren - fastfwd@spam@ix.netcom.com Fast Forward Engineering, Vista, California

Does someone have PIC16c84 chips??

> > Hi I'm doing a project where I measure the amount of light in the room > with a PIC16c71. Does anyone know of a sensor that can measure light > intensity? Thanks. > Texas Instruments has a neat new series of sensors that output a pulse train with frequency proportional to light intensity. Great for direct digital input. They have a web page. I'm reading my mail from home, but if you can't find info by Monday, email me and I'll look up the part #. Reg ....Reg Neale.............standard disclaimer applies....... "Ignorance is a renewable resource." P. J. O'Rourke......

>> >> Hi I'm doing a project where I measure the amount of light in the room >> with a PIC16c71. Does anyone know of a sensor that can measure light >> intensity? Thanks. >> >Texas Instruments has a neat new series of sensors that output >a pulse train with frequency proportional to light intensity. Great >for direct digital input. >They have a web page. I'm reading my mail from home, but if you >can't find info by Monday, email me and I'll look up the part #. > >Reg > > >....Reg Neale.............standard disclaimer applies....... >"Ignorance is a renewable resource." P. J. O'Rourke...... Howdy - I think you're talking about the TSL213. Who's scruffy looking?

I am designing a time critical system using a 16C55 for the company i work. What i am looking for is a sensor that will tell the difference between small objects of different colour (yellow vs black and green) Does anybody have anything in mind ? Harry

> > In message <EraseME9512141120.aa09589RemoveMESTOPspampunt-1.mail.demon.net>, Glyn Davies 'Gryn' writ > es: > > >So to that end, can anyone out there provide a copy of the protocol used to > >talk to the PicStart boxes, or is it shrouded in secrecy. > > One of the problems with their totally non-standard protocol is that it precludes use by the Mac community. The development tools run fine under SoftPC or SoftWindows except - the computer and the programmer board cannot communicate with each other because of this protocol. Microchip gives the usual lame excuse that because the universe is DOS, they can't be bothered with Macs. > ....Reg Neale.............standard disclaimer applies....... "Ignorance is a renewable resource." P. J. O'Rourke......

>I am designing a time critical system using a 16C55 for the company i work. >What i am looking for is a sensor that will tell the difference between >small objects of different colour (yellow vs black and green) > >Does anybody have anything in mind ? > >Harry Harry I don't know about where you might find a supplier in USA but I know that a Japan manufactured line called KEYANCE will sure be able to supply such a device. From my experience they are not cheap but are most certainly a quality product. They have a large inventory when it comes to sensors, well worth a look. I have also used products by AB but not too sure if they carry sensors that give colour discrimination. Regards Kim Turner.

subscribe quit ================================================================================ > Date: 1995-12-19 00:48 > From: Allan Lund Sorensen ASR - BEOODIN > Subject: -------------------------------------------------------------------------------- > To: internet.ibmmail INTERNET - IBMMAIL ================================================================================

Hi all, I have been reading in the PICLIST digest I receive, about Juan Jose Abba and his problems associated with only having e-mail access. I also notice another gentleman, Joel Carvajal also having a similar problem and there may be many others who are lurking around, who have only an E-MAIL access to the Internet. Recently (Dec 20, 1995), I visited the Microchip WEB location and retrieved their HTML index pages relevant to Data Sheets, Application notes, and Software. I have already edited the html codes out, and combined the files, I have zipped and uuencoded this file, with the file size now less than 9K. The INDEX has the complete URL address for each application note, data sheet, or software. The files are either post script or PDF format, or program. Each is described in some detail, and includes file size, type and pages (PDF). The PDF reader Acrobat can be retrieved from the Microchip ftp site as well. Anyone wants a copy, say so on piclist, and I will wait two weeks from this posting, then I will send the uuencoded file mailing directly to all who request a copy. Also included will be instructions for retrieving files via ftpmail. For example I retrieved the preliminary data sheets (132 pages) for the new PIC14000 via ftpmail on Dec 24: Description pgs size type 28-Pin Programmable Mixed Signal Controller 132 853K PDF ftp.ultranet.com/biz/mchip/lit/ASSP/40122a.pdf Regards, Merry Christmas and Happy New Year to all * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Tom Brown * * E-Mail:RemoveMEtombrownKILLspamTakeThisOuTindo.net.id * * Bumi Karang Indah * * * * Jalan Karang Asri II, * * * * * * * * * * * * * * * * * * * * * * * Blok C2/#43, Lebak Bulus * * "If something is worth doing, * * Jakarta, Seletan 12440 * * * * Indonesia * * It's worth doing right the first time" * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

Has anyone yet used the new PIC programmer from ITU for $129? It is supposed to program all PIC controller chips. Sorry if this has been brought up before, I'm new to the list. Steveo

>Has anyone yet used the new PIC programmer from ITU for $129? It is supposed >to program all PIC controller chips. Um, that is all 16C PICs, not the 17Cxx devices. Jim >

Hi all, As I'm very insterested in R/C Receiver, I want to build a RC-receiver (PIC based) which is able to decode R/C PCM Standard (Pulse Code Modulation). Does any one know this standard ? Means code, pulse width and so on ... Thanks to help me, Philippe.

>>Has anyone yet used the new PIC programmer from ITU for $129? It is supposed >>to program all PIC controller chips. > >Um, that is all 16C PICs, not the 17Cxx devices. > That's right, all 16C PICs... er, sorry. It's called the Warp-3. Has anyone had any experience with it. SteveO. ------------------------------------------------- SteveO spamBeGoneSteve_Olson@spam@novell.com -------------------------------------------------

Appendix to the last message I'm running on a 32KHz crystal with MCLR connected to Vcc a decoupling cap on power and none of the port pins connected except the ones I test with an LED and 1K resistor both to Vcc and Vdd ------------------------------------- Name :Moshe Fish E-mail :RemoveMEmfishspam_OUTnetvision.net.il Date :03/14/96 Time :15:26:21

del piclist jabbaspamibm.net

FROM ANTON >hi boys >i am building a universal display unit for bike/car instrument >board >with a hitachi 44780 driver >i've seen the f***ing manual U'd probably reply but the parallax >info is >not enough (or I can't read it well :-) ) 'cause i still don't >understand what times what conditions lead to success >the orig project works but does anybody have a full list of >commands >thanx >charley Hey charley here is some info for you hope it helps! pin leadout of display 1 = gnd 2 = vcc 3 = contrast (20k pot vcc and gnd and contrast to wiper) 4 = register select either (cg ram or dd ram) this selects wether you will write an instruction i.e. select place on screen or write data to screen in ascii format. 5 = r/w where write is active low 6 = e enable strobes data into display at rising edge 7 to 14 = D0 to D7 If using the dispaly in 4 bit mode D0-D3 not used. Here is a short routine I use to initialsise the display into the 4bit mode the wr_int and wr_inst are 2 subroutines used to write data to the display as wel as the del5m delay 5milliseconds call Del5m ;Wait for at least 15msec call Del5m call Del5m movlw 30H ;Reset code call Wr_Init call Del5m ;Wait for at least 100usec movlw 30H ;Reset code call Wr_Init call Del5m ;Wait for display to finish movlw 30H ;Select 4-bit interface call Wr_Init call Del5m ;Wait for display to finish movlw 30H ;Select 4-bit interface call Wr_Init call Del5m ;Wait for display to finish movlw 20H ;Display on/off control: call Wr_Inst call Del50u ;Wait for display to finish movlw 56 ;Display on/off control: call Wr_Inst call Del5m ;Wait for display to finish movlw 20H ;Display on/off control: call Wr_Inst call Del50u ;Wait for display to finish movlw 0CH ;Display on/off control: call Wr_Inst call Del50u ;Wait for display to finish Here are some commands for dot matrix displays. I have found that most hd displays from the east have all the same commands. Some screens i.e. 1 by 8 may be split up into 2 x 4 so that the first 4 chars is at 128-131 and the second 4 chars are from 192-195. Also the 4 line by 20 chars are as follows line 1 then line 3 then line 2 then line 4. All units have print positions on either side so it is possible to print a char off screen and the scroll it onto the screen. To use the userer definable charecters do the following: The first 8 locations are user programmable. location 0 = first 5 bit pattern +64 (ccg ram) up to location 6 for the second location 7 to 14 same as before until all 7 locations are filled. If you print 0 to screen you get your made up character FOR A 2 LINE 16 CHR THE FOLLOWING APPLIES LINE 1 POSITION 1 TO 16 = 128 TO 143 LINE 2 POSITION 17 TO 32 = 192 TO 207 FOR A 4 LINE 20 CHR THE FOLLOWING APPLIES LINE 1 POSITION 1 TO 20 = 128 TO 147 LINE 2 POSITION 21 TO 40 = 192 TO 211 LINE 3 POSITION 41 TO 60 = 148 TO 167 LINE 4 POSITION 61 TO 80 = 212 TO 231 THE INSTRUCTION SET 128 64 32 16 8 4 2 1 INSTRUCTION ADDRESS RS R/W D7 D6 D5 D4 D3 D2 D1 D0 DISPLAY CLEAR 0 0 0 0 0 0 0 0 0 1 CURSOR HOME 0 0 0 0 0 0 0 0 1 * ENTRY MODE SET 0 0 0 0 0 0 0 1 I/D S DISPLAY ON/OFF CONTROL 0 0 0 0 0 0 1 D C B CURSOR DISPLAY SHIFT 0 0 0 0 0 1 S/C R/L * * FUNCTION SET 0 0 0 0 1 D/L 1 0 * * CG RAM ADDRESS SET 0 0 0 1 Acg DD RAM ADDRESS SET 0 0 1 Add BUSY FLAG /ADDRESS READ 0 1 BF AC CG RAM/DD RAM DATA WRITE 1 0 WRITE DATA CG RAM/DD RAM DATA READ 1 1 READ DATA I/D=1:INCREMENT I/D=:0 DECREMENT S =1:DISPLAY SHIFT S =:0 DISPLAY FREEZE D =1:DISPLAY ON D =:0 DISPLAY OFF C =1:CURSOR ON C =:0 CURSOR OFF B =1:CHAR AT CURSOR POSITION BLINKS B =:0 CHAR DOES NOT BLINK S/C=1:DISPLAY SHIFT S/C=:0 CURSOR MOVE R/L=1:RIGHT SHIFT R/L=:0 LEFT SHIFT DL =1:8 BITS DL =:0 4 BITS BF =1:DURING INTERNAL OPERATION BF =:0 END OF INTERNAL OPERATION Just insert lines where appropriate. THe display can be checked if busy by checking if bit 7 pin 14 is high. If high display is busy otherwise next instruction can be sent. I slapped this together in 5 clicks If you want any more info let me know your email address and ill try and help with more info and routines. Anton

test, remove me as quick as possible !

I've never seen a crystal that you could pull 5%. I've built several VXOs (Variable Xtal Oscillators) over the years and I've found that trying to pull most crystals more than half a percent often results in the creation of a VFO (Variable Frequency Oscillator) with the frequency controlled by the coil and cap. I'd be very surprised if you could pull a 4.0 MHz crystal more than 40KHz with a trimmer cap. Is the circuit on one of the quick protoboards, the type where you just plug wires in? These have very high stray capacitance due to the way they are constructed. Caps are not usually required when building on one of these, just plug the crystal in and go. The first thing I'd do is go out and get another crystal. Wynn Rostek

I was wondering what the telnetable site is for the mchipbbs. Thanks spam_OUTbenlispam_OUTspam_OUTuclink2.berkeley.edu

//JOB UNSUBSCRIBE PICLIST //EOJ smtp

part 0 105 bytes content-type:application/ms-tnefContent-Type: application/ms-tnef Attachment converted: wonderlandthree:Untitled (????/----) (000031FF)

I have all items in 16B1 developer's kit, new, unused with books, chips (kit comes with windowed cerdip 16C71 and 16C54). Look at a catalog (or call) Digi-key for the contents of the kit. If you or someone you know wants to get started in PIC programming, or if you don't have the 16B1's capability to program the newer devices (16c61, 16c71, 16c84 and for $30 more from Digi-key the 16c62x devices), drop me a line. <mapspam_OUTtidepool.com>. $100 U.S.

----------- Quest for IEEE 754 Floating point routines on Microchip PIC17C44 --------------- Help, I am developing a new product which requires floating point math: add, subtract, multiply, divide, square root, and cube root. I'm looking for assembly source code which can be integrated into my design. I would be willing to purchase fully tested code as I am in a time crunch. Can anyone provide the above? If not, can anyone reference me to someone who can? Thanks for your help. Jimmie Curry Jim Curry and Assoc. 13339 N. Central Expy Dallas, TX Voice: 214 680-1540

Jimmie, Check out Application Note 575 ("AN575") in the Microchip Web Page. It contains everything you're looking for (including code which can be downloaded) except for the roots (and code/algorithms have been on PICLIST recently). Good luck, Myke {Quote hidden}>----------- Quest for IEEE 754 Floating point routines on Microchip >PIC17C44 --------------- > >Help, > I am developing a new product which requires floating point math: add, >subtract, multiply, divide, square root, and cube root. I'm looking for >assembly >source code which can be integrated into my design. >I would be willing to purchase fully tested code as I am in a time crunch. > > Can anyone provide the above? > > If not, can anyone reference me to someone who can? > >Thanks for your help. > > Jimmie Curry > Jim Curry and Assoc. > 13339 N. Central Expy > Dallas, TX > Voice: 214 680-1540 > > Do you ever feel like an XT Clone caught in the Pentium Pro Zone?

<WP Attachment Enclosed> ------------------- Doc1 follows -------------------- Hi All, I have several projects planned for the future which will be using several different communication standards, namely CAN, LON, and possibly fieldbus. At present I am just beginning the required literature search, and learning curve <smile>, for these standards and as such I would appreciate any information sources that members of this listserver have found useful. A list of texts, web sites, and ASIC manufactures that make products for these standards would be of great aid, not only for myself, but I would think also for the members of the this list as well. Mark RemoveMEheroldKILLspam@spam@brk.bfg.com

>Date: Sun, 11 Aug 1996 22:59:00 -0400 >From: DOM ALTAMURO <dom.altamurospamBeGone.....CONSULTANT.COM> >Subject: In circuit prog 16C84 > >Want to program a 16C84 when it is in circuit. > >Took a look at Micromint PICSTIC schematic to see >how they did it, and it mostly makes sense to me. > >Programmer needs access to >RB7 Data >RB6 Clock >Vdd 5V >Vss Gnd >MCLR reset/programming voltage Suggest you read my article in June '94 Circuit Cellar INK magazine (page 22). It covers everything on PIC16C84 programming as well as the PICSPA programmer and PICPRO prototyping board from HOPCO. It also discusses how you can program the '84 in circuit. Dr. Russ Reiss @ HOPCO EMAIL: KILLspamtech.....hopco.com Website: http://www.hopco.com

Hi- Does anyone have any experience using a PIC to decode the DMX-512 theater lighting control protocol? I need some decode routines for this protocol for a gadget I'm trying to build... if anybody could help, it'd be greatly appreciated! Thanks-- --Alan McFarland spam_OUTalanmcfKILLspamappliedmagic.com

Hi everyone, I am a complete beginer to Micro-controllers. 1. Can any one suggest which microcontroller would be the best to start with in PIC series and what tools would I need to use any where can I get them, if possible in shareware? Is there any book for beginner or any material available on the net? 2. For my first project I want to design a techometer with LCD display. Has anyone got information on this. I looked at STAMP basic example which uses a 'pulsin' command. Is there any way I can convert this code into assembly code? 3. I understand there is shareware PCB designer available, where can download this software from? Thanks, Vikram ------

Vikram BAJAJ wrote: > > Hi everyone, > > I am a complete beginer to Micro-controllers. > > 1. Can any one suggest which microcontroller would be the best to start > with in PIC series and what tools would I need to use any where can I > get them, if possible in shareware? Is there any book for beginner or > any material available on the net? > Vikram > ------ The best way to start is with a 16C84 and my ProPic programmer, Its avaible in my homepage. The programmer run under Windows and it's very easy to use. And you can register for just US$ 19.00 Octavio -- ======================================================== Octavio Nogueira e-mail: RemoveMEnogueiraRemoveMEEraseMEmandic.com.br homepage: http://ourworld.compuserve.com/homepages/tato voice/fax: +55 11 240-6474 ========================================================

On Mon, 26 Aug 1996 13:42:48 +0200 Vikram BAJAJ <KILLspamvikramspamBeGoneGTC13.MATRAMHS.FR> writes: >Hi everyone, > >I am a complete beginer to Micro-controllers. > >1. Can any one suggest which microcontroller would be the best to start >with in PIC series and what tools would I need to use any where can I >get them, if possible in shareware? Is there any book for beginner or >any material available on the net? The most often reccommended PIC for beginners is the PIC16C84. There are several reasons for this. One is that it has eeprom program memory instead of eprom. This allows easy reprogramming without UV erasing. Another is that the '84 is one of the simplest to build a programmer for. There are several very simple designs that you can build yourself for very little money if you are inclined to do it yourself. These designs are available on the web and on Microchip's BBS. A good place to start getting info is from Microchip's web page. It's URL is http://www.microchip.com. Device data, application notes, and very good development tools (assembler, simulator, etc.) are available free from this web page. It also has some links to third party PIC related web pages that you can use to track down more info. You might also want to try logging in to Microchip's BBS. This can be reached by telnet at mchipbbs.microchip.com, or you can get to it through Compuserve using the instructions that are given in the back of most Microchip product data sheets and other literature. >2. For my first project I want to design a techometer with LCD display. >Has anyone got information on this. I looked at STAMP basic example which >uses a 'pulsin' command. Is there any way I can convert this code into >assembly code? PIC assembly is very easy to learn. I'm not familiar with the STAMP or it's 'pulsin' command, so I can't give a specific way to code it in assembler, but suffice it to say that reading inputs and measuring times are easy to do in PIC assembly language. >3. I understand there is shareware PCB designer available, where can >download this software from? You can download a PCB layout program called EasyTrax from http://www.protel.com. You can also get information and demos for Protel's full featured professional software from this site. Peace, William Kitchen

The best way to start is with a PIC16C84, and the information from my home page which is FREE! http://www.lancs.ac.uk/staff/cpaame/pic/pic.htm Andy -- --------------------------------------------------------------------- Andrew M Errington Tel: +44 1524 593678 Microcomputer Consultant Fax: +44 1524 844011 The Computer Centre Mobile (Orange): 0976 243931 Lancaster University a.erringtonspamlancaster.ac.uk Lancaster LA1 4YW www.lancs.ac.uk/people/cpaame/cpaame.htm --------------------------------------------------------------------- "A dog is not just for Christmas, there may be some left for sandwiches on Boxing Day" - Vladimir Illich Ulyanov 1920 {Quote hidden}>---------- >From: Vikram BAJAJ[SMTP:RemoveMEvikramspamBeGoneRemoveMEGTC13.MATRAMHS.FR] >Sent: 26 August 1996 12:42 >To: Multiple recipients of list PICLIST > >Hi everyone, > >I am a complete beginer to Micro-controllers. > >1. Can any one suggest which microcontroller would be the best to start >with in PIC series and what tools would I need to use any where can I >get them, if possible in shareware? Is there any book for beginner or >any material available on the net? > >2. For my first project I want to design a techometer with LCD display. >Has anyone got information on this. I looked at STAMP basic example >which >uses a 'pulsin' command. Is there any way I can convert this code into >assembly code? > >3. I understand there is shareware PCB designer available, where can >download this software from? > >Thanks, > >Vikram >------ >

I will like to be able to log into Microchip BBS using TELNET. Which login should be used when telnet screen opens up.???? thanks in advance juan At 11:39 26/08/96 CST, you wrote: PARTIAL TEXT FOLLOWS >You might also want to try logging in to Microchip's BBS. This can be reached by telnet at mchipbbs.microchip.com, or you can get to it through Compuserve using the instructions that are given in the back of most Microchip product data sheets and other literature. > > Peace, > William Kitchen > >

On Tue, 27 Aug 1996 12:56:20 -0300 Juan Jose Abba <KILLspamjuanabbaspamBeGoneAX.APC.ORG> writes: >I will like to be able to log into Microchip BBS using TELNET. > >Which login should be used when telnet screen opens up.???? >thanks in advance You can reach them at mchipbbs.microchip.com, or 198.175.253.67 if you'd rather use a numeric IP address. When you connect for the first time, you will have to log in as "new" and create a new account for yourself. Peace, William Kitchen

SUBSCRIBE PICLIST guillermo lorenzo ******************************************************************************* Guillermo Lorenzo @spam@guilleSTOPspam@spam@lpgc.hnet.es USUARIO interesado en: midi max centris 650 cubase audiomedia II digital performer symbolics composer Raytracing macrenderman power 7500 showplace scketch hash animation fontographer mathematica parallax basic stamp *******************************************************************************

Several weeks ago I asked about protocol for TI graphing calculators. Thanks for thoes of you who took the time to respond. I'll post working code as soon as I get it developed. This project is low priority so doesn't get worked as often as I like. http://www.ticalc.org had lots of code for DOS/Windows, I'll adapt this for the pic. It looks like the protocol is an externally clocked serial with a software protocol. The interface is 2 wires + ground (clock + data). The calculator and remote host can acquire the bus by activating the clock line. If anyone is interested in my progress (ie. before its put in the can) let me know and I'll keep you updated. Thanks to: Walter Anderson, CCP Patrick Smith Octavio Nogueira Philip Lalone Thanks again!!! P.S. since this group likes esoteric questions--- there are bonus points for correctly Identifying the alias of the WELL KNOWN author of the signiture line, and where he uttered this infamous quote. Les Troyer Sr. Analyst Siemens Power Corp 2101 Horn Rapids Rd. Richland, Wa. 99352-0130 Voice (509) 375-8695 Fax (509) 375-8940 Operator (509) 375-8100 email ljtspamBeGonespamBeGonenfuel.com Ad Hoc, Ad Loc, Quid Pro Quo; So Little Time SO Much To Know. -Jeromy Hillery Dillery Boo, PHD, MS and Q The origional Question On Wed, 18 Sep 1996, Does any one have info on the protocol used in TI graphing calculators. I am persuing an application in which a pic would collect data for a short period of time. I would like to then display the data on a graphing type calculator. I know using a PC with Excel would be easier; but at a much higher cost. From: spamBeGonewandrsonOnramp.NET Check out http://www.ticalc.org/ There is information on the link protocols, programming the calcs in assembler. There is even information on using the port as an I2C interface. The latter includes a sample circuit and software for a temperature measuring device. ------------------------------------------------------------------- Walter Anderson, CCP email: spam_OUTwandrsonSTOPspamonramp.net 2500 Guerrero, #221 callsign: KD4KIL Carrollton, Texas 75006 url: http://rampages.onramp.net/~wandrson/ ------------------------------------------------------------------- From: "Smith, Patrick" <RemoveMEPatsmithspaminfrared.csc.ti.com> Les, Programming and technical assistance for TI Calc's (according to 800-TICARES) is 817-774-6827 They also told me that they can be reached by e-mail at TakeThisOuTti-caresspamRemoveMEti.com Hope this helps Pat From: "Smith, Patrick" <KILLspamPatsmithspamspam_OUTinfrared.csc.ti.com> Did you try going here and filling out the "Question and comment feedback form"? Even though I work at TI , This has worked for me in the past.\ Pat patsmithRemoveMEti.com From: nogueira <EraseMEnogueiraSTOPspamRemoveMEMANDIC.COM.BR> Subject: Re: TI-Calculator serial protocol's Some time ago I did the same thing but using HP48GX and I used infrared comunications, but I'm sure TI is diferent. Octavio -- ======================================================== Octavio Nogueira e-mail: spam_OUTnogueiraRemoveMEEraseMEmandic.com.br homepage: http://ourworld.compuserve.com/homepages/tato voice/fax: +55 11 240-6474 ======================================================== From: Philip Lalone <TakeThisOuTplaloneRemoveME@spam@ALPHAX.COM> The protocol and complete technical information for all TI calculators is available at http://www.ticalc.org. Philip Lalone Alpha-X Development

>At 12:38 AM 9/24/96 GMT, Ron Hansen wrote: >>That sounds very interesting. I'd like to see how you did it, but what >>is an ECH? Microchip's Embedded Control Handbook. You can read it online. I believe that I based my code on AN555 Software Implementation of Asynchronous Serial I/O I remember that because of the 555. That was my first project that went into production, I used AN555 code as a baseline. That design required some high performance tweaking. Basically I performed other tasks while waiting for bit transitions. Recently I've started using the CCS C compiler that has a software uart function that works great! I'd recommend it for those of you who won't want to get into bit timing and all the crap that goes along implemented your own software uart. If you are working on projects that involve half duplex communication the CCS compiler makes code writing a piece of cake. I got mine for $99. craig ____________________________________________________ Dr. Craig Hollabaugh Wireless Scientific, Inc. 1890 S. 14th, Suite 105 Amelia Island, FL 32034 904 261 6977 904 261 2129 fax EraseMEwsciRemoveMEnet-magic.net

Jay Shroff asked: >Is there an online version of the Embedded control handbook or do I need >to purchase it from Mchip? The Embedded Controller Handbook is basically the Microchip Application Notes that you can get on the web. I talked by local disrtibuter into giving me a copy, only to find that I already has most of the stuff from downloading. Larry Bradley Manager, Network Special Projects National Research Council, Ottawa CANADA Phone: 613-993-1649 E-Mail:spamLarry.Bradley.....spamnrc.ca

Can somebody point me to a description of the PIC assembly language syntax as used by MPLAB. William Sadler.

At 01:03 PM 10/7/96 +0100, William Sadler wrote: >Can somebody point me to a description of the PIC assembly language >syntax as used by MPLAB. > >William Sadler. Use the help menu. Click on MPASM Help and then Inctruction Sets. This will give you a good stare. You can also go to the Microchip Web site and download a manual in PDF format but I think the help file is easier and should smooth out any rough spots quickly. Larry G. Nelson Sr. L.Nelsonspam_OUT@spam@ieee.org http://www.ultranet.com/~nr

Nigel Goodwin suggested: >What about the MAC, does that >have a nice port you can 'wiggle' pins up and down?. Assuming it has, it >should be pretty easy to convert David Tait's Basic or C source code to >implement a 16C84 programmer. > >Nigel. That won't do the Mac serial port has one output pin short for David's programmer to work. The Mac has Tx, Rx, Hski & Hsko (handshake in,out like RTS and CTS) and Gpi (general purpose in). Only Hski, Hsko and Gpi can be toggled properly. I would settle for a proper serial programmer for now. The rest (assembler/simulator) will follow later. Ronald

Good idea about the extra pins on the Mac serial port. Remember, the Mac has TWO serial ports, so you could theoretically have 6 general purpose pins! Go for it! -Bob {Quote hidden}>Nigel Goodwin suggested: > >>What about the MAC, does that >>have a nice port you can 'wiggle' pins up and down?. Assuming it has, it >>should be pretty easy to convert David Tait's Basic or C source code to >>implement a 16C84 programmer. >> >>Nigel. > >That won't do the Mac serial port has one output pin short for David's >programmer to work. >The Mac has Tx, Rx, Hski & Hsko (handshake in,out like RTS and CTS) and >Gpi (general purpose in). Only Hski, Hsko and Gpi can be toggled properly. > >I would settle for a proper serial programmer for now. The rest >(assembler/simulator) will follow later. > >Ronald > >

Have any of you received a Warning [224] for the 16C84 when using a TRIS command?? I have successfully assembled an file for the 16C54 w/ no warnings or errors, but if I change the assembler directives for a 16C84 the following warning is found whenever a TRIS is used. -+-+-+-+-+-+-+ .LST OUTPUT SAMPLE -+-+-+-+-+-+-+-+ 00DF 3000 00408 MOVLW B'00000000' ; Set SDA, SCL as outputs Warning[224]: Use of this instruction is not recommended. 00E0 0066 00409 TRIS RB -+-+-+-+-+-+-+ END OF SAMPLE -+-+-+-+-+-+-+-+ Peter J. Cesarz

I am subscribed to this mail list but I do not know how to subscribe another person. Can anyone assist? TIA, Peter Grey Australia

>I am subscribed to this mail list but I do not know how to subscribe another >person. Can anyone assist? >TIA, >Peter Grey >Australia Send mail from the OTHER persons account to EraseMELISTSERV@spam@@spam@MITVMA.MIT.EDU with body: SUBSCRIBE PICLIST <name> fill in the name portion e.g. Peter X. Grey Regards, Peter Tiang @spam@tiangcfoonspamKILLspamhitachi.com.my

Lincoln M C wrote: > > PICLIST SIGNOF You may leave the list at any time by sending a "SIGNOFF PICLIST" command to spamBeGoneLISTSERVRemoveMEEraseMEMITVMA.MIT.EDU (or RemoveMELISTSERVKILLspamRemoveMEMITVMA.BITNET). -^^^^^^^^^^^^^^^-------------^^^^^^^^^^^^^^^^^^^^^^^ WBW Dmitry.

Help! The problem - I know NOTHING about electronics, BUT I am a programmer and I am in need of a special board with a microcontroller that I can program. This is what I need: 1 : A board with a socket for a PIC16C73/71/84. All components that are reuired to make it run.(Oscillators, resistors, voltage regulators.....whatever) A 9-pin serial connection that I can connect to my PC RS-232 port. A terminal for supplying the whole setup with +5v. Terminals for connecting 4 voltages to the A/D channels. What I want to do is program the pic to sample voltages at a programmable frequency, do some calculations and then send the data to the pc via the serial port(after issuing an interrupt).It is all for experimental use so it does not have to look good or anything. Everything should be on one board with room enough if I have to add any components. 2. A fully built and tested programmer for the PIC that I would use for the above application with development tools. This is what I need help with, please: 1. Pls suggest the optimal PIC-chip for me. It should require as few other components as possible to do the job and it must not be expensive. Having to program the serial I/O is ok by me if it means that I can use a cheaper PIC. 2. Could someone please supply me with a board layout that could work for my application?! Just a simple sketch with components and how they are connected will do. 3. Pls suggest a programmer/development tool suitable for the PIC. What do You think? Problems? Other suggestions/solutions? Thanks & Regards OLA SAMUELSON TakeThisOuToladatalink.se

Hi, check out my PIC page at http://www.lancs.ac.uk/staff/cpaame/pic/pic.htm I hope you will find it useful to you. > >Help! >The problem - I know NOTHING about electronics, BUT I am >a programmer and I am in need of a special board with >a microcontroller that I can program. > > > What do You think? Problems? > Other suggestions/solutions? I would advise you to try and get familiar with the basic hardware for a PIC system, e.g. PIC, crystal, voltage regulator and perhaps some LEDs. You can put them together on a solderless breadboard, but you will probably have to make your own programmer. If you cannot use a soldering iron then team up with someone who can. You will learn an awful lot by doing things yourself and making mistakes than having everything done for you (if you can put up with the frustration). Andy (the other one)

Peter wrote: Date: Sat, 23 Nov 1996 11:47:26 -0800 From: peter cousens <spamBeGonepeterKILLspamTakeThisOuTCOUSENS.HER.FORTHNET.GR> Subject: Re: PIC Spreadsheet Norm LeMieux wrote: > > To all: Would it be better to get a pdf version of the Excel > spreadsheet? Acrobat is, after all, available "free" from many > locations (such as your Microchip CD-ROM). The only caveat is: can > John 'print' in Acrobat format? > > Well, John, can you? > > Norm LeMieux > MCHIP FAE/NW I can print pdf but don't want to, it takes so long ! Excel is far quicker so please anything but pdf. Also maybe you should reconsider using pdf at mchip the 16f84 data sheet takes 12hours to print on my machine (486dx33 8meg ram hp-deskjet 540) I am personally near the point of refusing to accept any more pdf files as I do with Images (if I can't navigate a site without loading Images then I leave the site) If you have to ask what's wrong with loading images then you are too far from reality to help I would like to thank John Magrane for posting this to the list in whatever form he finds the easiest -- Peter Cousens ------------------------------------END REPLY------------------------- Peter: I was not recommending anyone send the included file to a hardcopy machine. Creating a pdf file is as simple as selecting "PDFWriter" in the Chooser, and hitting command-P. Instead of going out to a printer, one is asked for the file name to store the information to, so it acts like it is 'printing'. (PC-equivalent assumed.) I would not recommend that ANYONE acutally create hardcopy of pdf files unless they had a Postscript machine. Having it displayable by a public domain (sic) program that takes advantage of the bit-mapped graphics on your screens was my only intent of recommending Acrobat. Norm LeMieux MCHIP FAE/NW PS: Thanks for my first flame :)

Peter Cousens wrote: > Also maybe you should reconsider using pdf at mchip > the 16f84 data sheet takes 12hours to print on my machine (486dx33 > 8meg ram hp-deskjet 540) Don't listen to him, Microchip! He will eventually upgrade his hardware. Don't ruin it for the rest of us. > I am personally near the point of refusing to accept any more > pdf files as I do with Images (if I can't navigate a site without > loading Images then I leave the site) Can't handle image files either, eh? How fast is your modem? > If you have to ask what's wrong with loading images then you are too > far from reality to help There is a menu item in Netscape called "Options / Auto Load Image". Make sure it is unchecked. > I would like to thank John Magrane for posting this to the list in > whatever form he finds the easiest Ms-Excel is not a univeral format. Even between different _versions_ of Ms-Excel, there is a problem. -- Hank

I desire to know if is possible to remove the code of protection from a contained program in a pic 16C57. Thank You.

agostino wrote: > > I desire to know if is possible to remove the code of protection from a > contained program in a pic 16C57. > Thank You. Sure - Buy a jackhammer and gently chip off the edges until you have opened the chip package. Now take your soldering iron and carefully desolder all the little gold wires between the chip and the pins. Place a piece of carboc paper on top of the chip and gently hit it with a hammer until the code is imprinted on the carbon paper. Take the carbon paper and scan it into your computer with a drum scanner . Download the file into your new PICs and VOILA! You have succsessfully stolen some shmuck's hard labour. Of course, if you are of the sort that try to steal other people's hard labour, this won't bother you (even in the least) The other (quicker) method, is to write the program yourself. If you are unable to do it because of inexperience, then the PIClist is for you. If you are unable to do it because you are lazy, then alt.sex.pic.in.the.butt might be a better forum to discuss your programming (and software stealing) tecniques. I hope you can sleep at night. (If you posted the question because you want to protect your own software, then the above does not apply to you, of course.) -- Friendly Regards Tjaart van der Walt ______________________________________________________________ | Another sun-deprived R&D Engineer slaving away in a dungeon | |WASP International GSM vehicle tracking and datacomm solutions| |+27-(0)11-622-8686 | http://wasp.co.za | EraseMEtjaart.....KILLspamwasp.co.za | |______________________________________________________________|

Kalle Pihlajasaari replied: >Tony, >> I am having trouble initializing my 2x8 optrex >> lcd w/hd44780a >> Is it necessary to pull the unused inputs to the >> lcd low externally ? >Yes. No!! The HD44780 is internally pulled-up. Therefore, you can leave it open. Regards, Peter Tiang spamtiangcfoonhitachi.com.my

Chee Foon Tiang wrote: > > Kalle Pihlajasaari replied: > > >Tony, > > >> I am having trouble initializing my 2x8 optrex > >> lcd w/hd44780a > >> Is it necessary to pull the unused inputs to the > >> lcd low externally ? > > >Yes. > > No!! > The HD44780 is internally pulled-up. Therefore, > you can leave it open. > > Regards, > > Peter Tiang > tiangcfoonSTOPspamhitachi.com.my I knew about the pullup's from the faq's but was looking for some explanation for my difficulty. Thanks Tony M.

Mungo Henning <mungohSTOPspamKILLspamITACS.STRATH.AC.UK> wrote: >output the patterns for a suitable-worded message (and it's >not "wheeeee!" that I'm thinking of :-) Back around 1981 I designed a unit which did exactly that. In fact, we used three columns of LEDs - red, yellow and green and by combining them we were able to get a number of interesting colors. Since this is a "dot matrix" all sorts of graphics were possible. The timing to get one color to lay on top of another was a little tricky but once it was worked out it was quite effective. The electronics was built around an RCA 1802 processor - anyone else ever use one of these? No interrupts, no onboard timers, no call instruction, all indirect addressing. A fun project. The person who came up with the idea actually got a patent on it. I can look up the number if anyone is interested. (Relative to the thread on intellectual property - this other guy had the idea, I did the work, he got the patent. What's wrong with this picture?) -- Bob Fehrenbach Wauwatosa, WI @spam@bfehrenb.....spamexecpc.com

...... (Relative to the > thread on intellectual property - this other guy had the idea, I did > the work, he got the patent. What's wrong with this picture?) > > -- > Bob Fehrenbach Wauwatosa, WI spambfehrenb..........execpc.com Absolutely nothing. There are different reward systems for different kinds of effort -- Paul Mathews, consulting engineer AEngineering Co. optoeng.....whidbey.com non-contact sensing and optoelectronics specialists

>> PS: If you find cheap optical encoders, pleas mail me, I am still interested! > >I too would be interested in the information. > > >Richard Rosenheim >KILLspamrrosespam_OUTaccessnv.com > > I don't know if its cheap enough, but Digikey has Grayhill optical rotary encoders for $18.86 in ones. Ted

University of California Berkely has some technology available. spam_OUTTTDTakeThisOuTlbl.gov Http://http://www.lbl.gov/Tech-Transfer. Electochromic optical switching device Made of electrically conductive films, electrochromic film and a reversibly polymeric electrolyte to make an opticle switching device for a variety of applications. The device consists of five layers. The electrochromic film is switched from transparency to opacity by controlled ion movement caused by minor changes in electrical current. Applications include energy-saving windows, eyeglasses, watches and computer display screens. Maybe even automobile glass that tints when you press a button. PIC apps? Automobile Fuel Atomizer. http://www.bluecrow.com/fuel2000

Hello Everyone, Wirz Electronics has a new product that we would like to introduce to everyone. The Serial LCD Interface (SLI) is a self contained display unit with TTL and RS232 compatible asynchronous serial inputs. The unit is designed to allow the engineer, technician, or hobbyist to integrate it into a circuit with a minimum of interfacing requirements. Jumperless control and automatic detection of data rates eliminates difficult interfaces and complex controlling code. Low cost and line-powering features make it suitable for use in commercial products. With both alphanumeric and hexadecimal display mode, SLI is a powerful debugging and display tool for many applications. Features: Jumperless Control/Operation Wide Baud Range, 30 to 125,000 bps RS232 and TTL Compatible RS232 Serial Powered * Auto-Baud Rate Detection ASCII and Hex Display Mode D Sub 9 Female Connector (DB-9) and IDC Connector Allows direct control of the LCD functions and features Designed for all 8x1 to 40x2 character HD44780 controlled LCDs with 14x1 pin connectors Suggested Retail Price for a complete SLI Kit: $25.00 (US) Suggested Retail Price for a complete SLI Kit and 16x2 LCD: $30.00 (US) More information can be found at: http://wirz.com/sli/ An Adobe Acrobat SLI Technical Reference is available at: ftp://wirz.com/Serial_LCD/sli.pdf Distributors: Australia DonTronics PO Box 595, Tullamarine 3043 Tel: +613 9338-6286 Fax: +613 9338-2935 http://www.labyrinth.net.au/~donmck/ South Africa Interface Products (Pty) Ltd. PO Box 15775, Doornfontein 2028 Tel: +27 (11) 402-7750 Fax: +27 (11) 402-7751 http://www.ip.co.za/ip/ United States Wirz Electronics 6100 Pershing 2-A, St. Louis MO 63112 Tel: +1 (314) 862-3370 Fax: +1 (314) 862-3371 http://www.wirz.com/ Sincerely, Ben Wirz Wirz Electronics Ben Wirz For Microchip PIC Products including the Simm Stick development system and Easy PIC'n Book, as well Wirz Electronics as Motor Control, Polaroid Sonar Units, and more .....ben.....RemoveMEwirz.com Hobbyist Robotic & Electronic Supplies, visit: http://www.wirz.com/

Hi I«m new to the list. Is there anybody in here that are doing applications for electronic music with the PIC ? Anders, Sweden www.tellus.vallentuna.se/gymninfo/personal/anders/andersus.html

Hi there, I was wondering if anyone out there had any information on hooking up PICs in a network like structure. One way I was thinking on doing it is using the Transmit and recieve lines on all the PICs connected (Tx -> Rx) and using a third wire as a kind of token carrier. Does this sound like a good idea? If not could anyone suggest anything, and point me to some info on a better / easier to implement one. My plan is to have a bunch of PICs controlling various things, at different locations throughout the house, and wanted to link them all up - short of using a master PIC with all Tx / Rx lines from each PIC going into it, I thought a network topology would be best. Is this what the I2C bus is? I am not too clued up on this. Thanks in advance, Craig.

Craig, The SPI mode of the synchronous serial port may be just what you are looking for. You can disable the SDO pin of all the slave PICs, so they are all listening to the messages. Then when they are addressed by the master, they can enable their SDO pin to communicate. One easy communication format would be to use the MSB of the data to mark whether you are choosing which PIC to talk to or you are sending data. The other seven bits can then be used as the PIC selector or data. This would allow up to 128 PICs in the network. Paul W. Dodd Oak Valley Development spam_OUTpaulTakeThisOuTEraseMEoakvalley.com (408)489-9623 http://www.oakvalley.com

Does anyone out there have a pcad symbol for the ltc1298 a/d and also but not as important a prt. I know this is a little off the topic of pics but it is for a pic app that I am working on and this is the only list I could send to on a short notice!!! Thanks in advance and please respond direct!!! Cory D. Raak Electronics Technician PCB Developer Gentex Corporation Email EraseMEcoryrspamBeGoneKILLspamgntx.com "You either do or do not. There is no try." Yoda

Date: Fri, 31 Jan 1997 08:26:03 +0200 From: Barbaros ASUROGLU <RemoveMEta2cbaspamBeGonespamAMPR-GW.METU.EDU.TR> Subject: RS-232 based Porgrammer {Quote hidden}> Hello to everyone, > Has anyone used the programmer com84 to program a pic16c84 from RS232 without > the need to external supply?I am suspicious about powering it from rs232.Is > the voltage in rs232 enough to supply vpp? > Thanks alot for answering.. > Regards. > Barbaros In my case it didn't work. However I made a tiny modification to the circuit, adding a zener and a 9V battery, and now it works perfecty. The battery delivers virtually no current, and so it will last forever. It only serves to get the 12V programming voltage. I'll try to draw an asci diagram of the modification I made. TX ---------------------> To diode and LM78L05 | | 9V battery | _ | | | | 10k | | - | |----> To VPP of Pic | --- / \ 12Vzener --- | GND------------ Hope this helps, Michel

Hi everybody, I am new to the mailing list and my english is quite bad, so... I just made a 16C84 programmer according to the schematic of David Tait. I made a beautyfull PCB with Eagle3.02. I am using the PIP02 software under DOS and PICSER under Windows. I thing this programmer is able to programm '71, '61, ... but not '16C54 ... I had like to know if someone did a kind of motherboard for 84 with EEPROM 93LC56, and a 16 x 2 LCD. I had like to test the LCD + PIC to make a clock or something like this to see how to use the LCD. Can somebody help me? Thanks - david

I am designing a small digital voltmeter and current meter to build into a piece of equipment. I'm probably going to use a 16c73 or 16c74. I would like to be able to measure 0 to 40 Volts and 0 to 20 Amps. In the lower range ( 0 to 25 Volts) I wanted .1 volt of resolution. If I feed the input voltage through a 5.1:1 voltage divider network and into an A/D pin clamping the voltage at 5 volts I should get .1 volts per step ie. 255 = 25.5 volts, using Vdd = 5 volts as the reference. My problem is what do I do to read above 25.5 volts with lower resolution? I was thinking about switching in a further 2:1 divider network with a FET when my A/D reads 255 and scaling the result in software to reflect the 2:1 division. For measuring current I am planning on using a .01 ohm shunt, ie. 20 Amps would yield .2 Volts. I would scale Vdd down to .2 volts (25:1) and use that as Vref. For measuring voltage as described above I would change the A/D settings and use Vdd as the reference voltage. Can anyone suggest some way to simplify this project especially the voltage measurement scaling. I would like to do away with the FET if possible. Any comments or suggestions would be appreciated. Jim

At 18:26 24.02.97 EST, Jim wrote: >I am designing a small digital voltmeter and current meter to build into a >piece of equipment. I'm probably going to use a 16c73 or 16c74. > Jim > Jim, do you think it's worth the effort? You can buy 3 1/2 digit meters with ICL7106, including the LCD as a module for DM 10,- ($ 6,-) in Germany. Should be even better in US. regards, Wolfram +-----------------------------------------------------+ | Wolfram Liebchen | | Forschungsinstitut fŸr Optik, TŸbingen, Deutschland | | @spam@liebchenspamffo.fgan.de | +-----------------------------------------------------+

At 02:09 PM 25/02/97 +0100, you wrote: {Quote hidden}>At 18:26 24.02.97 EST, Jim wrote: >>I am designing a small digital voltmeter and current meter to build into a >>piece of equipment. I'm probably going to use a 16c73 or 16c74. >> Jim >> >Jim, >do you think it's worth the effort? > >You can buy 3 1/2 digit meters with ICL7106, including the LCD >as a module for DM 10,- ($ 6,-) in Germany. Should be even better >in US. > >regards, > >Wolfram > > >+-----------------------------------------------------+ >| Wolfram Liebchen | >| Forschungsinstitut fŸr Optik, TŸbingen, Deutschland | >| TakeThisOuTliebchenKILLspam@spam@ffo.fgan.de | >+-----------------------------------------------------+ > Jim, I am designing a voltmeter for a particular application and am using the 16c74. However for the voltage input I am using the ICL7135 along with some range switching solid state switches. I will be able to measure from millivolts to 200 volts. Best of luck,

John Payson wrote: Consider as well, by the way, that CLRW may behave similarly; even if Mchip adds logic to ensure that 000000x xxxxxxx instructions don't read memory, the CLR instruction probably will continue to do so. Note that this has been changed in recent versions of the assembler. Since binary uses 1's and 0's, and not x's, CLRW had to code to something, and it was invariably all 0's. This meant that a dummy read would be performed by the state machine of address 0x00, or the INDF. As was pointed out, if the FSR pointed to a register that could be affected by a read, it would be. And I had a customer with a communications routine that "worked" with the old encoding (dummy read @ INDF) and "broke" at the new 0x01 address (dummy read @ TMR0). This merely pointed out that their code may have been clearing flags in the USART register that FSR was pointing to. Norm LeMieux MCHIP FAE/NW PS: I got into the habit of 0x'ing on the R3000...

Hi all, I was looking at the schematics for the com84, and it looks very simple compared to the other programmers. What do the other programmers do that it doesn't??? Thanks, Duncan

Can someone send me the list address to subscribe to? Not the posting one, i.e. this one. Be careful of the toes you step on today, They may be connected to the ass that you may have to kiss tomorrow. Take care .....jhobbsRemoveMEthermogenesis.com

Can someone send me the list address to subscribe to again? There was a problem with the new provider and the name server. Try this one; KILLspamjhobbsTakeThisOuTquiknet.com Thanks Be careful of the toes you step on today, They may be connected to the ass that you may have to kiss tomorrow. Take care TakeThisOuTjhobbsspam_OUTquiknet.com

Hello guys: I am now dealing a project that need two pics to communicate by using hand shaking . Can somebody warmhearted give me some program or tips to do this. I use porta bit 1 and 2 as hand shaking line. thank you

j.tang wrote: > > Hello guys: > I am now dealing a project that need two pics to communicate by using hand > shaking . Can somebody warmhearted give me some program or tips to do this. > I use porta bit 1 and 2 as hand shaking line. > thank you Hi there, Depending on what type of pic you are using (with or without uart) you can just send serial back and forward. If you dont have a uart the other chip depending what else it is doing may be too busy to get back in time to see the start of a serial bit. In these cases you can get sneaky and use the rx line comming from the other chip as a request for attention, eg pull it low and leave it low until you receive data comming from the other chip. while it is low you will have to keep a close watch on incomming data. regards, -- Lee McLaren RemoveMElmclarenspamSTOPspamtrumpet.com.au Comstra pty. ltd. .....lmclarenEraseMEcomstra.com.au 2 Kirksway place phone 03 62244488 Hobart Tasmania fax 03 62244601 Australia 7000 mobil 018 138682 'It was five hours of Boggs's "channelling". After three hours I asked him to summon up the soul of Jimi Hendrix and requested All Along the Watchtower. You know, the guy's been dead twenty years but he still hasn't lost his edge' Mulder

G'day, all I'm starting to do some serial comms stuff between my latest project and either a modem or terminal. The existing serial buss that I am using right now talks between a number of similar nodes (up to 63) and a communications controller that actually interfaces the serial buss to the outside world. Everything works quite well right now so far as node to node or node to comm controller is concerned. Now I get to tie the whole thing to the outside world. This requires hex to ascii conversion and ascii to hex conversion. I've spent the day coming up with some routines and would like a sanity check on what I've done so far. I've got 3 routines so far: HEXASCII, ASCIIHEX, UPCASE. They all seem to work okay; I'm just looking for better or neater ways of doing them. LIST P=16C71,F=INHX8M,X=ON,R=HEX INADR EQU 0 OPTINIT EQU b'00000111' CNTR1 EQU 20 CNTR2 EQU 21 CNTR3 EQU 22 CNTR4 EQU 23 ORG 00H goto COLDBOOT HEXASCII ;Convert hex nybble to ascii character ;*********** ;written by Dwayne Reid ;* enters with: hex nybble (0-F) in w ;* uses subroutines: none ;* registers: w ;* bits/flags: none ;* returns: ascii character in w ;* andlw b'00001111' ;lower nybble only addlw 6 ;0-9 or A-F? skpndc ;dc==1 if larger than 9 addlw 7 ;adjust A-F addlw (0x30-6) ;add offset to convert to ascii return ASCIIHEX ;Convert ascii character to hex nybble ;*********** ;written by Dwayne Reid ;* enters with: ascii character in w ;* uses subroutines: none ;* registers: w ;* bits/flags: C ;* returns: hex nybble (0-F) in w, C=0 & w=0 if error ;* ;00-2f:c=0 30-39:c=1 3a-40:c=0 41-46:c=1 47-60:c=0 61-66:c=1 67-ff:c=0 addlw -(0x3A) ;value higher than 9? skpnc ;note: 1 higher than 9 because of >= goto A2H_1 ;too high: try next test addlw 0x0A ;value lower than 0? (span is 0-9 ==.10) skpnc ; return ;value is in range of 0 - 9h: done! A2H_ERR clrc clrw return ;error: ascii character is not 0-9 or a-f A2H_1 ;upper case A-F (41h-46h) addlw -((0x47)-(0x3A));value higher than F? skpnc ;note: 1 higher than F because of >= goto A2H_2 ;too high: try next test addlw 0x6 ;value lower than A? (span is A-F ==.6) skpnc ; goto A2H_LET ;value is in range of A - Fh: add offset goto A2H_ERR A2H_2 ;lower case a-f (61h-66h) addlw -((0x67)-(0x47));value higher than f? skpnc ;note: 1 higher than f because of >= goto A2H_ERR ;too high: error addlw 0x6 ;value lower than a? (span is a-f ==.6) skpc ; goto A2H_ERR A2H_LET ;w contains 0-5 representing a-f addlw 0x0A ;add offset to make hex A-F setc return UPCASE ;Convert lower case ascii character to upper case ;*********** ;Written by Dwayne Reid ;* enters with: any character from 00 - FF in w ;* uses subroutines: none ;* registers: w ;* bits/flags: none ;* returns: original value in w EXCEPT ascii a-z converted to A-Z ;* ;A-Z is 41h-5Ah; a-z is 61h-7Ah. Range of a-z is 7A-61==19 addlw -(0x7B) ;value higher than z? skpnc ;note: 1 higher than 7A because of >= goto UCaseX1 ;too high: restore w and exit addlw 0x1A ;value lower than a? (span is a-z ==.26) skpc ; goto UCaseX2 ;too low: restore w and exit addlw 0x41 ;value is in range of 00 - 19h: add offset return ;done! UCaseX2 addlw -(0x1A) ;restore original value UCaseX1 addlw 0x7B ;restore original value return COLDBOOT clrf CNTR1 clrf CNTR2 LOOP movfw CNTR1 ;test UPCASE call UPCASE movwf CNTR2 movfw CNTR1 ;test HEXASCII call HEXASCII movwf CNTR3 movfw CNTR1 ;test ASCIIHEX call ASCIIHEX movwf CNTR4 BREAKPT nop incf CNTR1,F goto LOOP END Ideas, opinions? Thanks! Dwayne Reid <spamBeGonedwaynerRemoveMEplanet.eon.net> Trinity Electronics Systems Ltd Edmonton, Alberta, CANADA (403) 489-3199 voice (403) 487-6397 fax

j.tang wrote: > > Hello guys: > I am now dealing a project that need two pics to communicate by using hand > shaking . Can somebody warmhearted give me some program or tips to do this. > I use porta bit 1 and 2 as hand shaking line. > thank you IIC -- Friendly Regards Tjaart van der Walt .....tjaartEraseMEwasp.co.za _____________________________________________________________ | Another sun-deprived R&D Engineer slaving away in a dungeon | | WASP International http://wasp.co.za | | GSM and GPS value-added applications | | Voice : +27-(0)11-622-8686 | Fax : +27-(0)11-622-8686 | |_____________________________________________________________|

looking for a used picmaster emulator/w 16c74 card.

Hi, I am making a gadget, and I would like my Pic 16C84 to play music. One possibility would be to let the Pic do all the work and drive a loudspeaker directly (I am satisfied with square waves). So my first question is *** Can I find the necessary programs somewhere? However while playing music the Pic will also be tied up, making some lights flash. So my second question is. *** Is there a dedicated chip that drives a loudspeaker and that take digitally coded notes (MIDI ??). I rather prefer this solution. Any help will be appreciated. Michel

This is my first post to the PIC-LIST, and first let me say "Great list guys, lots of traffic and info". I am working on my first (complex) PIC program. Using a PIC16c57 at 4MHZ I am sampling the servo outputs from a R/C Reciver to convert them to PWM signals for 2 motors and using steps from the other 2 channels for non PWM stuff. My question is, Having never worked with PWM before or really even much assembly language I am having trouble coming up with a way to implemet the PWM.. I currently sample each servo input to give a value between 1 and 35 using the center couple of values for off and 1-1 for one direction and 21-35 for the other direction. The sampling cycle for all 4 servos takes about 8ms I then have about 2ms (2k instructions) before the next pulse cycle begins. Any pointers to info, examples, suggestions, flames , etc of PWM on the low end PIC's would be greatly appreciated. If requested I will post my entire source code. (this is not for business so I would be happy to release it into the public domain). Jason E. Brown Evil Robots Inc. 3821 Tacoma Ave. Chattanooga Tn, 37415 spamjebrownspam_OUT@spam@cdc.net

At 17:45 31/03/97 +0200, you wrote: >I am making a gadget, and I would like my Pic 16C84 to play music. One >possibility would be to let the Pic do all the work and drive a loudspeaker >directly (I am satisfied with square waves). So my first question is > >*** Can I find the necessary programs somewhere? > >However while playing music the Pic will also be tied up, making some >lights flash. So my second question is. > >*** Is there a dedicated chip that drives a loudspeaker and that take >digitally coded notes (MIDI ??). I rather prefer this solution. > >Any help will be appreciated. > >Michel If there are going to be human beings watching the lights flash you should have plenty of time to spare. I would use the timer interrupt to toggle the music output. If you need a second timebase you could always use a little hardware to generate a suitable interrupt every mS or so. Keith. ========================================================== Keith Dowsett "Variables won't; constants aren't." E-mail: spamkdowsett@spam@STOPspamrpms.ac.uk WWW: http://kd.rpms.ac.uk/index.html

Has ony one tried using a STIMULUS File for testing their PIC ?? Can a PIC 17c43 be used to read in a Frequency of about 61,000Hz ?? If so any idea's on how to write the code ?? Iam in the process of converting my driveway Car detector from a multipull descrite IC's to a Mircocontroller based system.

-- On the PIC16C84, does anybody knows if porta.4 needs a pull-up resistor, because I can't use this anymore as output, it remains at 0v. _____________ \ / David BALDWIN \ ALCATEL / Design engineer \TELECOM/ \ / SdM (Societe de Microelectronique) \ / \ / B.P. 4205 Phone : +32 (0)71 442932 V B-6000 Charleroi Fax : +32 (0)71 442905 (Belgium) spamBeGonebaldwinspamBeGone@spam@etca.alcatel.be

At 15:29 14/04/97 +0200, you wrote: >-- > > On the PIC16C84, does anybody knows if porta.4 needs a pull-up >resistor, because I can't use this anymore as output, it remains at 0v. > That's what the data sheet says. See paragraph 5.1 Keith ========================================================== Keith Dowsett "Variables won't; constants aren't." E-mail: RemoveMEkdowsettRemoveMERemoveMErpms.ac.uk WWW: http://kd.rpms.ac.uk/index.html

David BALDWIN wrote: > > -- > > On the PIC16C84, does anybody knows if porta.4 needs a pull-up > resistor, because I can't use this anymore as output, it remains at 0v. > > _____________ > \ / David BALDWIN > \ ALCATEL / Design engineer > \TELECOM/ > \ / SdM (Societe de Microelectronique) > \ / > \ / B.P. 4205 Phone : +32 (0)71 442932 > V B-6000 Charleroi Fax : +32 (0)71 442905 > (Belgium) baldwinKILLspamspametca.alcatel.be yes its open collector. -- Lee McLaren spam_OUTlmclaren@spam@trumpet.com.au Comstra pty. ltd. TakeThisOuTlmclarenspam_OUTcomstra.com.au 2 Kirksway place phone 03 62244488 Hobart Tasmania fax 03 62244601 Australia 7000 mobil 018 138682 'It was five hours of Boggs's "channelling". After three hours I asked him to summon up the soul of Jimi Hendrix and requested All Along the Watchtower. You know, the guy's been dead twenty years but he still hasn't lost his edge' Mulder

V2.0 Acuracy... Hello, My name is christophe , i'm french I search a "In PIC language interpreter like Basic, C or Pascal" I find it on some WEB, but all are commercial : Pic Basic, FBasic ... Do you know someone who devellop a FreeWare / Shareware "IN PIC language interpreter" ? I need RS232, and A/D for some personnal projects, usualy i use Pic16C84 to dev my programm with the EEPROM facilities but to have RS232 and A/D port i need Pic16C5X or 7X and i have no solution to dev application (i hate to dev with UV Eprom !! it's to long !). If someone have solutions or know a In Pic Interpreter.... Thanks for your Help ! Bye.

> >> Erasing the [Code Protect] bit after (or even together with) all >> the program data doesn't seem like stealing code... > > Right, Gerhard... But how would you ensure that the bit gets > erased AFTER the program data? > > -Andy They are doing this already by covering the protection bits with a UV blocking die. (This die is visable as a black stripe near pin 22 of the 16c73a/jw package.) The reason why the chips still erase is a small amount of UV still gets through, of course the program memory is VERY BLANK by then. ? Is it likely that some UV eraser bulbs emit different frequencies and that could penetrate the die they use more easly & therefor erase the eprom cells more easly. The UV source in my eraser is a 4W G4T5 by GERMICIDAL, this source dose not appear to erase the protect bits. regards peter w.

In message <KILLspams36474ea.012.....TakeThisOuTmicrobits.com.au>, Peter Wintulich writes: >? Is it likely that some UV eraser bulbs emit different frequencies and that > could penetrate the >die they use more easly & therefor erase the eprom cells more easly. It is possible, but what is more likely is that the higher-powered lamps just get the UV through by brute force. I have been following this thread and it seems like the idea of requiring much more energy to zap the code-protect fuse than it does to erase any of the other bits makes the most sense since accidents happen and they always will. Putting more die over the CP bits to make the covering totally opaque is sort of like throwing the baby out with the bath water. If there is a chance that somebody might figure out the physical location of the CP cells, another fix might be to put a frosted window over the die so that any attempt to focus light on one particular spot would cause it to defuse enough to zap adjacent bits. Martin McCormick

"SUBSCRIBE PICLIST Anonimous"

I am trying to remote control a Sony camera. Does anybody know the protocol for the LANC connector ? Thanks! Raphael Houri TakeThisOuTrhouriEraseMERemoveMEpacbell.net

>Whats wrong with a 25 cent thermistor and a series 1 % resistor to the >+5 >supply and possibly a shunt resistor to control range. The curve of >the >thermistor can be linearized by a small look up table in memory or by >scaling according to the magnitude of the output of the 16C71 or >equiv. >on-board A/D converter. You might consider the LM34 temp sensors. They come in wide variety of packages, and in two basic flavors: Celsius and Fahrenheit. Either way, you get a laser trimmed 10 mv per degree output that is quite linear over a wide range. The price on the plastic TO92 package is about $2. I have been using them for years, great accuracy without tables.

Hello, I need some help, I am looking for the specification of the PS/2 interface (originally in the IBM Reference manual) so I can interface to a PS/s mouse with a PIC micro. I am aware that the Microchip Embedded Control Handbook contains Application notes on the serial, and ADB interfaces. Are thre any good PIC code examples or references similar to what I am looking for? Thanks, Bill Safieh

BILL SAFIEH wrote: > Hello, > > I need some help, I am looking for the specification of the PS/2 > interface (originally in the IBM Reference manual) so I can > interface > to a PS/s mouse with a PIC micro. I am aware that the Microchip > Embedded Control Handbook contains Application notes on the > serial, > and ADB interfaces. Are thre any good PIC code examples or > references > similar to what I am looking for? > > Thanks, > > Bill Safieh Is it just my imagination or has this message been posted about 3 times in 24 hours. If not - then nobody can help or no-one wants to (the latter is unlikely) -- eric van es Mailto:spam_OUTvanesRemoveME.....ilink.nis.za WWW: http://www.nis.za/~vanes/ Cape Town, South-Africa Looking for TEMPORARY/HOLIDAY ACCOMMODATION? http://www.nis.za/~vanes/accom.htm

Hi ps/2 is the same as serial, just a different connector. I have seen many elecrronics outlets deal simple adaptors between the differing wiring. Tim At 08:34 24/07/97 PST, you wrote: {Quote hidden}> Hello, > > I need some help, I am looking for the specification of the PS/2 > interface (originally in the IBM Reference manual) so I can interface > to a PS/s mouse with a PIC micro. I am aware that the Microchip > Embedded Control Handbook contains Application notes on the serial, > and ADB interfaces. Are thre any good PIC code examples or references > similar to what I am looking for? > > Thanks, > > Bill Safieh > > ------------------------------------------------------------------ Personal Web Pages: http://web.ukonline.co.uk/members/tim.kerby/ PIC Site: web.ukonline.co.uk/members/tim.kerby/pic/ The PIC Pages are under construction and I am looking for projects ------------------------------------------------------------------

Hi, I am hoping to not to have to totally re-invent the wheel. I am looking for a way to set up a bi directional RS-422/485 interface for PC's. The protocol is propietary, and the signalling rate is something like 10000 BPS. I am only looking for straight translations of 8 bit numbers, and a little bit of one byte header de/encoding. I beleive I am guaranteed a couple ms between each 6 byte burst of data. Any ideas? What is the easiest way to do this? Dropped characters are unacceptable. I was thinking a ISA interface, but if I use the PIC16F84 as I'd like, it would only have 10 lines free after doing the RS-422/485 interface. Is that enough to handle a bi-directional protocol? Is the Parallel port an option? maybe a nibble at a time? Or could the PIC keep up spitting out to the serial port at like 33600 or so and decoding the data? I need simple yet fast communications to and from the PIC chip. I need at least an outgoing buffer of at least 12 to 18 bytes, and maybe an incoming buffer if needed. Depending on how much time it takes to load or read data to and from the PIC. Any hardware or software ideas, solutions, or examples are appreciated. David spamskipperKILLspamKILLspaminterlog.com

At 11:08 PM 05/08/97 -0400, you wrote: [munch....] >option? maybe a nibble at a time? Or could the PIC keep up spitting out >to the serial port at like 33600 or so and decoding the data? I have a very similar problem. I have been thinking about it for a few days (it's only a hobby so a few days is a couple of hours :) ). The only solution that I can think of is using a hardware UART such as the 16550 (which has 16 bytes of on board buffer). The sole problem is the number of lines needed to drive it. Worst case is to use two shift registers (in and out) and a buffer to do the data i/o and the rest of the pins for read/write and address lines. I am trying to do it without the shift registers but I don't know if it is possible on an '84. The other solution is to use a different PIC (but I don't want to because I can only erase EEPROM <-- listen MChip :) ) Let the list know what happens. MD -- Martin Darwin a.k.a Rambo [Ctf] spammartinspam_OUTdavin.ottawa.on.ca 3rd year Computer Engineering http://www.davin.ottawa.on.ca/~martin University of Ottawa Clan Ctf - http://pw2.netcom.com/~kbpa/ctf.htm

On Tue, 5 Aug 1997 23:35:26 -0400 Martin Darwin <STOPspammartinspam_OUTspamBeGoneDAVIN.OTTAWA.ON.CA> writes: >At 11:08 PM 05/08/97 -0400, you wrote: > >[munch....] > >>option? maybe a nibble at a time? Or could the PIC keep up spitting >out >>to the serial port at like 33600 or so and decoding the data? I don't recall the full original specs being discussed, but I've now got a couple products simultaneously transmitting and receiving at 250 Kbps using a 16 MHz 16c74a. Each of these transmit from a buffer on a Dallas RamPort and receive into the buffer on the RamPort. One then exchanges data with a PC over the parallel port. The other reads 64 analog inputs and puts those in the outgoing datastream. Harold

I am looking for reference material on bit-banging techniques for 16c71......

Hi everybody, I am considering using a PIC16C73A for my next project. This will be my first PIC project. I have a fair amount of experience with the Mototola 6805 and 6811 families. Does anyone know of a quick tutorial or a small piece of literature that will bring me up to speed on Microchip's instruction set quickly. Thank and best regards, Steve McAlonan Dev. Engr. TBE-ES ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

>I am considering using a PIC16C73A for my next project. This will be my >first PIC project. I have a fair amount of experience with the Mototola >6805 and 6811 families. Does anyone know of a quick tutorial or a small >piece of literature that will bring me up to speed on Microchip's >instruction set quickly. Search the web for source examples. There are plenty of places out there. Andy ================================================================== Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 Hardware & Software for Industry & R/C Hobbies "Go fast, turn right, and keep the wet side down!" ==================================================================

>Hi everybody, > >I am considering using a PIC16C73A for my next project. This will be my >first PIC project. I have a fair amount of experience with the Mototola >6805 and 6811 families. Does anyone know of a quick tutorial or a small >piece of literature that will bring me up to speed on Microchip's >instruction set quickly. > >Thank and best regards, > >Steve McAlonan >Dev. Engr. >TBE-ES > >______________________________________________________ >Get Your Private, Free Email at http://www.hotmail.com > >check My LINK to Dontronics and Wirz Electronics at http://ic.mankato.mn.us/~douglas spam_OUTdouglasspamBeGoneic.mankato.mn.us

Hello, everyone, I am considering using C compiler for PIC16C73. If anyone has experience with C compiler and/or knows which compiler is good please give me some advice. Thanks in advance. Nancy EraseMEndongKILLspamsperry-sun.com

part 0 1678 bytes content-type:text/x-vcard; charset=us-ascii; name="vcard.vcf" (decoded 7bit) > Hello, everyone, > > I am considering using C compiler for PIC16C73. If anyone has > experience with C compiler and/or knows which compiler is good > please > give me some advice. Thanks in advance. > > Nancy > EraseMEndongRemoveMEsperry-sun.com We have had very good luck with the Hi Tech C compiler. There is a demo of it available at their web site (http://www.htsoft.com). It is full ANSI and generates very good code. It comes with a text based IDE and a full linker. I used it with the emulator and it supported source level debug. The first release of my product ships today. I did find a couple of areas that I had to work around, however. I had a problem accessing bits in i/o registers in page 1. I copied them to a local variable and examined the bits in there. I also found that the call sequence to the library routine that accesses consts is not reentrant. Therefore, I had to alter the code in the interrupt routines so they no longer access consts. (I simply removed the "const".) Don't overestimate these few small areas of concern. All in all, a very positive result. And, considering that it is all ANSI C, the result is very portable as well. -- Jack Bonn <> Software Design Labs, Inc. .....jackspam_OUTswlabs.com (847)526-1337 Ignorance and arrogance do a pathetic duet Content-Type: text/x-vcard; charset=us-ascii; name="vcard.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for Jack Bonn Content-Disposition: attachment; filename="vcard.vcf" Attachment converted: wonderland:vcard.vcf 1 (TEXT/CSOm) (0000776B)

At 08:30 AM 9/23/97 -0500, you wrote: > Hello, everyone, > > I am considering using C compiler for PIC16C73. If anyone has > experience with C compiler and/or knows which compiler is good please > give me some advice. Thanks in advance. I use the HiTech C and love it. Andy ================================================================== Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 Hardware & Software for Industry & R/C Hobbies "Go fast, turn right, and keep the wet side down!" ==================================================================

Andy Kunz wrote: > At 08:30 AM 9/23/97 -0500, you wrote: > > Hello, everyone, > > > > I am considering using C compiler for PIC16C73. If anyone has > > experience with C compiler and/or knows which compiler is good please > > give me some advice. Thanks in advance. > > I use the HiTech C and love it. > Can you send it to me by email > Andy > > ================================================================== > Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 > Hardware & Software for Industry & R/C Hobbies > "Go fast, turn right, and keep the wet side down!" > ==================================================================

>> I use the HiTech C and love it. >> > >Can you send it to me by email You can d/l the demo from http://www.htsoft.com The real thing costs $800 and is well worth it. Andy ================================================================== Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 Hardware & Software for Industry & R/C Hobbies "Go fast, turn right, and keep the wet side down!" ==================================================================

My name is Ross Torrens. I am in my final year of a Beng Hons in Electronic Systems at the University of Ulster, just outside Belfast. I am trying to print a string of text on a Hitachi LM044L LCD using a Pic 16c74, so far for all my troubles I have had no luck. My question is would anybody have a piece of code lying about that I could use that would allow me to do this. Any help at all would be much apreciated. Thanks, Ross..

Ross, I'm assuming here that the LM044L is a character LCD. How have you got it wired? 8 bit data bus or 4 bit bus? I have some code and links on http://ourworld.compuserve.com/homepages/steve_lawther/charlcd.htm including a tester to check that the display is wired up to a PIC ok, but it was written for a 16C84 connected to the character LCD in 4 bit data mode. Is the contrast voltage set correctly? If all the pixels are black, I would take the contrast voltage towards 5V to just when they become all clear or vice versa. Is the display an extended temperature range version? if so the contrast voltage may even be negative. Have you tried a logic analyser on the signals between the PIC and the LCD to check that things look correct? If these first thoughts don't help, just shout! Steve Lawther ______________________________ Reply Separator _________________________________ Subject: Author: PC:@spam@r139aEraseMEspamSMSERVER2.ULST.AC.UK at INTERNET-HUSKY Date: 07/10/97 18:06 My name is Ross Torrens. I am in my final year of a Beng Hons in Electronic Systems at the University of Ulster, just outside Belfast. I am trying to print a string of text on a Hitachi LM044L LCD using a Pic 16c74, so far for all my troubles I have had no luck. My question is would anybody have a piece of code lying about that I could use that would allow me to do this. Any help at all would be much apreciated. Thanks, Ross..

I'm a student at staffs Uni in my last year of a Elecronic Eng Hons Degree. For my final year project, I'm interested in designing a digital multimeter data aquistion device. Basically a device which will measure voltage and current, probably using a PIC, and then download the information (real-time) in Binary format via the RS232 Serial port to a PC, where a WIN '95 application I'm developing at the moment will tabulate all Data. If you have any ideas, can you let me know. --------------------------------------- Cheers Steve hf209397TakeThisOuTKILLspamstmail.staffs.ac.uk Stephen Holdstock - Staffs Uni

>>Microchannel bus, which I think they licensed out for some fee. The rest >>of the industry went with the ISA bus, then EISA, then PCI. >> It truly looks like a rough business to be in! > >They should have gone with the SIMMSTICK interface <G> > >Andy From the <G> I take it you're speaking in jest (somewhat?). But you make a very good point. I know very little about PICs, but I know quite a bit about the PC world in general. The Microchannel bus was (and still is in many respects) far superior to the competition. But IBM was stupid, they though superior technology wins on its own merit. In the US at least, it doesn't; you need to be able to market the product as well. Lesson to learn - if you want an architecture to take hold, put it out there for all to use. i.e. SIMMSTICK, etc. /* Kevin Slater */ /* Slater Programming Services */ /* Mars, Pa. 16046-3938 */ /* http://www.pobox.com/~kslater */ /* Send mail with PGP Key as subject to receive my public key */

In message <RemoveMESIMEON.9710081759.HTakeThisOuTkc15-42.stmail.staffs.ac.uk>, "HOLDSTOCK S.M" <@spam@hf209397STOPspamCR10M.STAFFS.AC.UK> writes >I'm a student at staffs Uni in my last year of a Elecronic >Eng Hons Degree. For my final year project, I'm interested >in designing a digital multimeter data aquistion device. > >Basically a device which will measure voltage and current, >probably using a PIC, and then download the >information (real-time) in Binary format via the RS232 >Serial port to a PC, where a WIN '95 application I'm >developing at the moment will tabulate all Data. I've been meaning to build something similar for a while now, but haven't got round to it yet!. I'm intending using a 16C84 with an external 12 bit ADC, something like an LTC1298 (I think that's the correct number). For the input side I'm planning using two channels, with scope type attenuators and opamps feeding into a cmos switch operated by an output from the PIC. Some of the LTC chips already have two inputs, that would obviate the need for the CMOS switch. So far I'm undecided wether to have the processor continually reading the inputs and sending the data back to a PC, or to have the PC request the data for the channel it wants to read. Using the second method requires two way RS232, the first way only requires one way. As it would be a good idea to opto-isolate the unit from the PC, it would make life easier just one way. On the other hand, with two way communication you could use the PIC to switch the input ranges from a nice on-screen meter/scope display. I'd be interested to see how your system develops. -- Nigel. /--------------------------------------------------------------\ | Nigel Goodwin | Internet : TakeThisOuTnigelgTakeThisOuTRemoveMElpilsley.demon.co.uk | | Lower Pilsley | Web Page : http://www.lpilsley.demon.co.uk | | Chesterfield | | | England | | \--------------------------------------------------------------/

Hi to everyone on the list. I am making an electronic programmer to replace the standard mechanical timer and take care of all the different wash cycles on a washing machine. This will mean different motor speeds, water temperatures, washing times etc. for different matereials. I would be pleased to hear from anyone who has done this, or similar control of a.c. devices with hints, tips advice etc as I am completely new to PIC's, although I have done some 'C' and Assembly language programming. I am aquiring a book in the next couple of days which should give me an introduction to the PIC. What is the best way of interfacing the 240 volt inputs from sensors and the 240volt outputs to motors, heaters etc. Maybe relays, triacs, SCR's. Any help or advice appreciated. Michael Biggs --------------------------------------- BIGGS M. spam_OUTbg908451spam.....stmail.staffs.ac.uk

Hello, Is it possible to subscribe to your List? If so can someone share with me what I must do ? Thank you, Edwin Stevenson toytron.....@spam@juno.com for we have heard him ourselves, and know that this is indeed the Christ, the Saviour of the world. John 4:42b http://www.netcom.com/~toytron/stampin.htm

In a message dated 97-10-28 07:25:51 EST, you write: << Q * >> Hello Ivan, Is this some sort of message for Moose and Squirrel? Dave Duley

---------- > From: David W. Duley <spamBeGoneDREITEKspam_OUTAOL.COM> > To: EraseMEPICLIST.....MITVMA.MIT.EDU > Subject: > Date: 28 oKTOMWRI 1997 G. 19:57 > > In a message dated 97-10-28 07:25:51 EST, you write: > > << > Q * > > >> > Hello Ivan, Is this some sort of message for Moose and Squirrel? > > Dave Duley Sorry, this is my mistake. I had used PICLIST@... instead of LISTSERV@... Ivan

Dear sir, I have a picstart-6b1. I have tried to program a pic16c84 using a 8hex file downloaded. it is supposed to put in the new coads for a mac2 card. When I go to enter the program, the software tells me that the chip is not fully erased. I am using ver 5 software. i do not have any manuals or books. Can you help? regards, George

unsubscibe end Stephen Douglas K6HZT http://www.dfsystems.com

Goncalves wrote: > Who piclist Me piclist -- Eric van Es | Cape Town, South Africa spamvanesKILLspam@spam@ilink.nis.za | http://www.nis.za/~vanes LOOKING FOR TEMPORARY / HOLIDAY ACCOMODATION? http://www.nis.za/~vanes/accom.htm

Please sign me up to SUBSCRIBE.

>> Who piclist > >Me piclist Unga Bunga Me piclist You Jane

>---------------------- Information from the mail header ----------------------- >Sender: pic microcontroller discussion list <PICLISTspamTakeThisOuTMITVMA.MIT.EDU> >Poster: Goncalves <RemoveMEcg2RemoveMEARAUTO.UMINHO.PT> >------------------------------------------------------------------------- ------ > >Who piclist Try sending this message to <TakeThisOuTLISTSERV@spam@@spam@mitvma.mit.edu> then you might get the response you hoped for!!!

I realize I am adding to the bandwidth, but if every body would just shut up and let one person tell that poor soul not to send attachments, then we all would have only gotten the one bandwidth wasting message and not several dozen. Does anyone have any web address for pic based mowing robots, or material that could be adapted to such. Must really be pic based because I have very limited knowledge with other controllers> Cory D. Raak Electronics Development Engineer Gentex Corporation Email TakeThisOuTcoryrspamgentex.com http://www.gentex.com

Dear Sir, I'm looking for the technical support to solve my problem. I've just involved in using PIC to develop a product. I've just bought the PIC start plus dev. kit from Farnell (Malaysia). I'm failed for the first project and discover a very funny problem. I'm currently using P16c84 controller because it is eeprom base so that I could reprogrammed as many time as I like. I used the MPLAB for windows to compile and programmed the chip which come together with the package. I was building a simple control to monitor to output at portB and was running under 4MHz crystal. Before I programe the chip I tested using the simulator and it work. Then I choose the oscillator type to XT as I'm using crystal to provide the clock. To my dissappointment The work system just refused to work with all the LED of portB lit up constantly. While I'm trying to write a flicker LED output at portB with certain delay(no matter how long I put). But it really supprised me it work when I touch the crystal with my hand, bear in mind that I programed the chip with the oscillator option set to RC. I suppose the clock must be generated from the RC network from our body. If the oscillator option is set to XT it refused to work even if I touch the crystal. Maybe you must be thinking that, the flickering is too fast therefore I coldn't see the changes. But to prove that, I write another simple program to test it. This time I wrote a trigger input to change the output. It is a real simple programme and it still don't work. Therefore I'm writing this email to seek for help so that to get me through my first project in order for me to gain back my confident. I used to write assembly programme in the pass, therefore I do have experience with this low level language. Or if you have any simple programme for me to try out, please forward it to me. Beside this, I wonder if the MPLAB got any bug? This is my only last question asking to myself. Please help. I urgently required help from you or anybody who can advice me. Many thanks in advance. Sincerely Alvin Yow

At 12:58 AM 11/19/97 +0800, you wrote: >I used the MPLAB for windows to compile and programmed the chip which come >together with the package. I was building a simple control to monitor to >output at portB and was running under 4MHz crystal. Before I programe the >chip I tested using the simulator and it work. Then I choose the oscillator >type to XT as I'm using crystal to provide the clock. To my dissappointment >The work system just refused to work with all the LED of portB lit up >constantly. While I'm trying to write a flicker LED output at portB with >certain delay(no matter how long I put). >But it really supprised me it work when I touch the crystal with my hand, >bear in mind that I programed the chip with the oscillator option set to >RC. I suppose the clock must be generated from the RC network from our >body. If the oscillator option is set to XT it refused to work even if I >touch the crystal. >Alvin Yow > > My guess is that the capacitors on the crystal are not the correct value or that the layout for the oscillator is such that capacitance is causing the crystal to not work. Some crystals need a series resistor to start up properly. I would start with programming the chip as RC and wiring the appropriate RC to the pins. This will allow you to test your code. If this works the problem is in the crystal implementation or a bad crystal. Larry G. Nelson Sr. KILLspamL.NelsonKILLspamspamBeGoneieee.org http://www.ultranet.com/~nr

Alvin Did you set the the port to outputs? else: Check my homepage for setleds.asm if you use MPASM. It works for me with a 16c84 running from a 4MHz Xtal. Cheers! -- Eric van Es | Cape Town, South Africa spamBeGonevanesKILLspamilink.nis.za | http://www.nis.za/~vanes LOOKING FOR TEMPORARY / HOLIDAY ACCOMODATION? http://www.nis.za/~vanes/accom.htm

Raak, Cory wrote: > Does anyone have any web address for pic based mowing robots, or > material that could be adapted to such. Must really be pic based > because I have very limited knowledge with other controllers> Cory Look on my homepage at my bookmarks file - there one or two sites with (lawn) mowbot's. I assume that's what you are looking for? Cherio! -- Eric van Es | Cape Town, South Africa vanes@spam@KILLspamilink.nis.za | http://www.nis.za/~vanes LOOKING FOR TEMPORARY / HOLIDAY ACCOMODATION? http://www.nis.za/~vanes/accom.htm

Thanks Evan.... I'll try out. Will let you know my status later. Thanks again ---------- From: Eric van Es <EraseMEvanesRemoveME@spam@ILINK.NIS.ZA> To: RemoveMEPICLISTspamEraseMEMITVMA.MIT.EDU Subject: Date: Wednesday, November 19, 1997 1:30 AM Alvin Did you set the the port to outputs? else: Check my homepage for setleds.asm if you use MPASM. It works for me with a 16c84 running from a 4MHz Xtal. Cheers! -- Eric van Es | Cape Town, South Africa STOPspamvanes.....ilink.nis.za | http://www.nis.za/~vanes LOOKING FOR TEMPORARY / HOLIDAY ACCOMODATION? http://www.nis.za/~vanes/accom.htm

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Hi, PICLISTers, I am using MPLAB to simulate a simple project: I have to make a termometer with PIC16C715 (it has more program memory & RAM). I initialize ADCON0 to 0x01 (ADON = 1, A/D conversion clk = Fosc/2) and ADCON1 to 0x01 (RA3 <- Vref) then I set ADCON0.GO bit and wait for this GO bit to get cleared. but this never happens nor PIR1.ADIF bit gets set. Previous project was with PIC16C74A with ADC and the simulation was successful. Have anyone had such problem ? Is this my mistake or of MPLAB ? Ivan Cenov OKTO-7 spamBeGoneokto7RemoveMERemoveMEbotev.ttm.bg

Hello PICLIST! I have question for all the PIC expert out there. I'm trying tuning a frequency synthesizer S187. Would you like to send me any routines or program written for a PIC16C84 and for this synthesizer or where I can find more information about interface frequency sinthesizer by microcontroller. Thanks and Regards. Ilian Kushev

Hello everyone! I am using the 5 channel A/D on the PIC16C73A running at 5V. I am using an external voltage reference of 2.5V on pin RA3/AN3/Vref. My question is: Should I use a zener diode, etc. to protect the port from voltages from 2.5V to Vdd+.6 or will this just give me a full scale reading? Are there any other thought on protecting A/D inputs? Thanks in advance. Steve McAlonan ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

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Happy New Year!

Does anyone in the list know a mailing list for
Microsoft Visual C++ ?

Ivan Cenov
okto7@botev.ttm.bg

Charles, Whoa. On second thought, that whole opto-isolator idea might not work since i2c is bi-directional (on the same pin). You might be able to do it on an SPI bus where input and output each have dedicated pins. You may still be able to do it with opto's but it will be hairier than it originally seemed. Brad Stevenson, CET The DPL Group - Telecom Techniques 506-635-1055 or 1-800-561-8880 http://www.dpl.ca

Hi Need help, I am building a small table robot using stepper motors in sted of servo motors and would like to use the 16c84 pic chips as my drivers for the steppers. I can get the stepper to go forward and backward by using just the program its self in the 16c84 but I want to run the steppers with 16c84 drivers hooked up to the STAMP Microcontroller, but I need a program,HELP!! i use the basic compilerBASCO, mplab,and pip-02 to program the pic. My Set Up Pic 16c84 __________ ___\/___ STEPPER I I I pin0 I=====I ---\/-----I I STAMP I I pin1 I=====I I= I RB0-------------pin7 I pin2 I=====I I= - I I I pin3 I=====I----------I I RB1-------------pin6I I =led4=forward I I I_____ I=led5=backward I_________I STEP1=0110 STEP2=1010 STEP3=1001 STEP4=0101

part 0 614 bytes content-type:text/plainontent-Type: text/plain X-MIME-Autoconverted: from 8bit to quoted-printable by tron.fi.uba.ar id XAA04796 Hi. I need general information about particular LCD modules (1x16) that got only 12 wires (total). The modules I got are the EPSON model: EA - C20017AR - S (I�ve rescued them from old Siemens pseudo-digital phones model T16 D) Also I need general information about the way to drive big LCD modules with only 8 wires, like the Samsung model: UG - 24B09 - GNBR9 - A950512ME. If anyone got the information, please help me. Thanks, and please excuse my bad english language. S.- part 1 801 bytes content-type:text/html; charset=ISO-8859-1 (decoded quoted-printable)
Content-Type: text/html; charset 1998\01\22@094414 by jciech Skierucha

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1998\01\22@125328 by Gordos Kund

Hi all, I want to know who is the programmer of MPLAB. I have some ideas :-) to share with him.... Thanks ! Gordos Kund Maksima G.6 E:@spam@qndspamBeGonekocos.thurzol.org.yu 24400 Senta-YU

1998\01\23@051716 by Mark Birks

Hi, Does anybody have a definitive schematic for having in-ciruit programming of the 16C84 device and perhaps some example source to show how to download code and then run it ? Thanks in advance. \\\|/// \\ - - // "Yes it IS safe ( @ @ ) to switch on" +---oOOo-(_)-oOOo------------------+ | Mark Birks | | Hardware Section Leader | | OmniBus Systems, Stanford House, | | Stanford-on-Soar, | | Loughborough, Leicestershire. UK.| | | | Tel/Fax: +44 (0)990 004300/333 | | E-Mail: spam_OUTmarkbspamomnibus.co.uk | | ooo0 | | ( ) 0ooo | +---\ (----( )------------------+ \_) ) / (_/

1998\01\24@201821 by Blad Cap

I have Blad Cap spamustekspamspamjuno.com On Thu, 22 Jan 1998 17:08:45 +0100 Gordos Kund <spamBeGoneqndKILLspamKILLspamKOCOS.THURZOL.ORG.YU> writes: {Quote hidden}>Hi all, >I want to know who is the programmer of MPLAB. >I have some ideas :-) to share with him.... > >Thanks ! > > >Gordos Kund >Maksima G.6 E:TakeThisOuTqndspamkocos.thurzol.org.yu >24400 Senta-YU > _____________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com Or call Juno at (800) 654-JUNO [654-5866]

1998\01\24@234143 by Mitchell D. Miller

I've seen lots about '485 stuff around her lately. One recent posting almost made it sound as though there are driver / interface chips for this interface. The same post made it sound that '485 is strictly a physical spec, and leaves software protocol undefined. Is this correct? Does anyone have any WWW links that I might do more research? Thanks, Mitch ------------------------------ Mitch Miller spamBeGonemdmillernque.com ------------------------------

1998\01\25@062116 by REMOVE_TO_REPLY_jnlrich

Yes, RS-485 only defines the pin functions and the electrical parameters. Data formatting and communication protocols are left to the user to define. National Semiconductor has RS-485 and RS-422 specific interface ICs. More info at: http://www.national.com/design/index.html Maxim also has some at: http://www.maxim-ic.com/scripts/cSelector.exe/RS-485/ On Sat, 24 Jan 1998 22:24:27 -0600, you wrote: ->I've seen lots about '485 stuff around her lately. One recent posting ->almost made it sound as though there are driver / interface chips for this ->interface. The same post made it sound that '485 is strictly a physical ->spec, and leaves software protocol undefined. -> ->Is this correct? Does anyone have any WWW links that I might do more ->research? -> ->Thanks, ->Mitch -> -> ->------------------------------ ->Mitch Miller ->EraseMEmdmillerEraseMEnque.com ->------------------------------

1998\01\26@113542 by David W. Duley

In a message dated 98-01-24 23:43:19 EST, you write: << I've seen lots about '485 stuff around her lately. One recent posting almost made it sound as though there are driver / interface chips for this interface. The same post made it sound that '485 is strictly a physical spec, and leaves software protocol undefined. Is this correct? Does anyone have any WWW links that I might do more research? Thanks, Mitch >> Maxim makes a bunch. We use the MAX485 Dave

1998\01\26@121710 by Philip Cowley

I was wondering if anyone had solved the following idea and could send me some schematics, or point me in the right direction, to save me the trouble of designing the whole lot.... I need to count the pulses coming from a pair of quadrature incremental encoders. These pulses could be conditioned to be up/down. I need to send the counts out to a PC RS232 line. The counts need to be independantly resettable. I am looking at doing it with a PIC16C84. Many thanks Phil

1998\01\27@053425 by Keith Howell

Philip Cowley wrote: > I need to count the pulses coming from a pair > of quadrature incremental encoders. Are these optical encoders, or mechanical? The latter have _awful_ signals. What's the app?

1998\01\28@092514 by 9-2?Q?Martin_Hor=E1zn=FD?=

SHOW HW

1998\01\28@095516 by Bhavini Chauhan

unsubscrie

1998\02\02@093628 by Mark Birks

1998\02\02@095448 by John Hansen

At 02:30 PM 2/2/98 -0000, you wrote: >Has anyone got any neat circuits to allow in-circuit programming of >16x84 devices. > >e.g. One mode to program, another to run ?? I built a board that has a ZIF chip in it and a 4PDT latching relay (from JDR). The relay switches the Vdd, Vpp, RB6 and RB7 lines between my ITU programmer and the circuit that is being developed. I leave the ground line connected to both. Two LEDs indicate which of the circuits is active. The circuit under development is connected via a ribbon cable and a 18 pin dip plug (also from JDR). The one problem that I've had with the set up is that sometimes the PIC doesn't start up properly and exhibits strange behavior until I reset it. I plan to add a small timer circuit that will trip the MCLR half a second after I flip the switch. I expect that this will take care of the problem. Still, this is much easier than moving the chip back and forth or using the jumper method suggested in the ITU manual John Hansen

1998\02\02@134554 by wouter van ooijen

> Has anyone got any neat circuits to allow in-circuit programming of > 16x84 devices. I'm working on an In-Circuit 16c84 / 16f84 programmer plus programming software, but I want to enter it into the microchip design contest. Having done that I'll put the details on a web page. Highlights: - uses a 16c84 / 16f84 to generate Vpp and to do the timing - rs232 communication with a program on a (PC) host - erase / program / run / communicate without touching the hardware - 5V-only supply Wouter.

1998\02\02@143057 by Morgan Olsson

At 19:41 1998-02-02 +0100, you wrote: >> Has anyone got any neat circuits to allow in-circuit programming of >> 16x84 devices. > >I'm working on an In-Circuit 16c84 / 16f84 programmer plus programming >software, >but I want to enter it into the microchip design contest. >Having done that I'll put the details on a web page. > >Highlights: >- uses a 16c84 / 16f84 to generate Vpp and to do the timing >- rs232 communication with a program on a (PC) host >- erase / program / run / communicate without touching the hardware >- 5V-only supply > >Wouter. > Very nice. Will it be production rated? (verifying at both high and low voltage) Because I«d like also to have my prototypes securely programmed. Don«t we all? /Morgan Morgan Olsson, MORGANS REGLERTEKNIK, Sweden spammrtiname.com, ph: +46 (0)414 70741; fax 70331 -

1998\02\02@200936 by Don McKenzie

Mark Birks wrote: > > Has anyone got any neat circuits to allow in-circuit programming of > 16x84 devices. > > e.g. One mode to program, another to run ?? Yes, free schematics: http://www.dontronics.com/dt001.html Programmer board. http://www.dontronics.com/dt101.html Target board. Free software for C84/F84, DOS/W95/NT: http://www.dontronics.com/download.html Uses a 4PDT switch for load and go programming. Don McKenzie RemoveMEdonKILLspamKILLspamdontronics.com http://www.dontronics.com Don's Download Dungeon http://www.dontronics.com/download.html DonTronics Logo Design Contest http://www.dontronics.com/logo.html For more details, send a blank message to EraseMEinfospamBeGonespamdontronics.com or KILLspamsimstickdontronics.com or basicsspam_OUTspamdontronics.com

1998\02\03@133432 by wouter van ooijen

No, its meant for development, so I did not include a variable Vdd. But a it can leave the Vdd of the PIC to the target circuit, so if you connect the PIC to a variable power supply.... ---------- From: Morgan Olsson <mrtspam@spam@INAME.COM> To: spamBeGonePICLIST.....MITVMA.MIT.EDU Subject: Date: Monday, February 02, 1998 20:02 At 19:41 1998-02-02 +0100, you wrote: {Quote hidden}>> Has anyone got any neat circuits to allow in-circuit programming of >> 16x84 devices. > >I'm working on an In-Circuit 16c84 / 16f84 programmer plus programming >software, >but I want to enter it into the microchip design contest. >Having done that I'll put the details on a web page. > >Highlights: >- uses a 16c84 / 16f84 to generate Vpp and to do the timing >- rs232 communication with a program on a (PC) host >- erase / program / run / communicate without touching the hardware >- 5V-only supply > >Wouter. > Very nice. Will it be production rated? (verifying at both high and low voltage) Because I«d like also to have my prototypes securely programmed. Don«t we all? /Morgan Morgan Olsson, MORGANS REGLERTEKNIK, Sweden .....mrt@spam@iname.com, ph: +46 (0)414 70741; fax 70331 - ----------

1998\02\18@142156 by teletrans

PICLISTOFF

1998\02\23@030455 by Peter Baines

PICKLIST SUBSCRIBE @spam@efoccyberstop.net

1998\02\27@004013 by G. L. B

I am sorry but I just can't stand this anymore and I'm going to put my 2 1/2 cents in on the subject of Microchip, their dealers, and the "lost" cd roms. I do not under any circumstance give any credibillity to the blatant excuse, it's not Microchips fault, it's the dealers. Who hires or authorizes these dealers anyway? Microchip. I place the blame squarely on Microchip and NOT ON THE DEALERS. For the most part these are independent businesses dealing in a number of products. Microchip is surely just one line they handle. If we as customers don't get satisfaction in getting a product then we need to let Microchip know. It's up to Microchip to decide if they want to keep the dealer. I sold capital equipment for years for companies like N.V. Philips, equipment costing hundreds of thousands of dollars. If one customer called me and said they had a problem with some truck line not getting their equipment to them I didn't blame the truck line. I found the equipment first, then found another truck line. As long as people continue to do business with Microchip and blame the "dealers" then we have no one to blame but ourselves for shoddy service. Microchip has the choice to place their dealerships with whomever they so desire, and if they want to keep giving their dealership business to someplace that doesn't give a rip about their customers then that is Microchip's decision on how they want to do business. Frankly, after reading this thread you bet I will be looking very strongly at Panasonic or any other source for parts and supplies. If Microchip loses enough business then they can either change their business practice, or go out of business. We vote with our dollars. ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

1998\02\27@005028 by Sean Breheny

At 09:39 PM 2/26/98 PST, you wrote: {Quote hidden}>I am sorry but I just can't stand this anymore and I'm going to put my >2 1/2 cents in on the subject of Microchip, their dealers, and the >"lost" cd roms. I do not under any circumstance give any credibillity to >the blatant excuse, it's not Microchips fault, it's the dealers. Who >hires or authorizes these dealers anyway? Microchip. I place the blame >squarely on Microchip and NOT ON THE DEALERS. For the most part these >are independent businesses dealing in a number of products. Microchip is >surely just one line they handle. If we as customers don't get >satisfaction in getting a product then we need to let Microchip know. >It's up to Microchip to decide if they want to keep the dealer. I sold >capital equipment for years for companies like N.V. Philips, equipment >costing hundreds of thousands of dollars. If one customer called me and >said they had a problem with some truck line not getting their equipment >to them I didn't blame the truck line. I found the equipment first, then >found another truck line. As long as people continue to do business with >Microchip and blame the "dealers" then we have no one to blame but >ourselves for shoddy service. Microchip has the choice to place their >dealerships with whomever they so desire, and if they want to keep >giving their dealership business to someplace that doesn't give a rip >about their customers then that is Microchip's decision on how they want >to do business. Frankly, after reading this thread you bet I will be >looking very strongly at Panasonic or any other source for parts and >supplies. If Microchip loses enough business then they can either change >their business practice, or go out of business. We vote with our >dollars. > >______________________________________________________ >Get Your Private, Free Email at http://www.hotmail.com > Amen. However, judging from Microchip's recent email response on the list, it seems as though they are taking responsiblity, and doing something about it. They request that anyone who wants one of the CDs should contact them again and they will ship direct from the factory. I re-ordered mine just as they said and I am now waiting to see it they are sincere in what they said. Sean +--------------------------------+ | Sean Breheny | | Amateur Radio Callsign: KA3YXM | | Electrical Engineering Student | +--------------------------------+ Fight injustice, please look at http://homepages.enterprise.net/toolan/joanandrews/ Personal page: http://www.people.cornell.edu/pages/shb7 shb7RemoveMEcornell.edu Phone(USA): (607) 253-0315

1998\03\03@193642 by Goncalves

Who?

1998\03\04@064112 by Pasi T Mustalahti

PTM: If you have a project somewhat critical of pins, you could do like this: pic PA0 |-----res--| counter PA1 |-----up---| PA2 |--R/W-- |_______________________ | | | |||||| | | A0 A1..A15 | | | |||||| | -----------|-------- |||||| | | | |||||| PB0 |--D0/D4-----| 2x4bit |--D0/D4--| PB1 |--D1/D5-----| tri-state |--D1/D5--| SRAM PB2 |--D2/D6-----| buffer |--D2/D6--| PB3 |--D3/D7-----| |--D3/D7--| You write and read the data hinible + lonyble. Counter gives you A0 to select HI, LO. If you don't understand this picture, it is not for you, I'm not going to explain it. It works, I have used this kind of system before connected to LPT-port of a PC. If you find it usefull and use it, send me a emeil ! -------------------------------------------------------------------------- PTM, spampasi.mustalahtiutu.fi, ptmustaspam_OUTTakeThisOuTutu.fi, http://www.utu.fi/~ptmusta Lab.ins. (mikrotuki) ATK-keskus/Mat.Luon.Tdk OH1HEK Lab.engineer (PC support) Computer Center OI7234 Mail: Turun Yliopisto / Fysla, Vesilinnantie 5, 20014 Pt 02-3336669, FAX 02-3335632 (Pk 02-2387010, NMT 049-555577) --------------------------------------------------------------------------

1998\03\04@072948 by Mark Lezama

I Goncalves escribis: > Who?

1998\03\16@183127 by Kam Bansal

=============== Kam Bansal (^8* spam_OUTkamb@spam@RemoveMEjps.net "Save this email in a smaller font to save on disk space"

1998\03\17@101417 by Allen Demers

Greetings All! spamwaynegspamican.net wrote to me letting me know about an article in EPE magazine dealing with tachometers. If anyone had the schematics for building this device that would be great. I have found the magazine in the states here, very good stuff! Backissues are available, but I hate to order it for one article @$6 :](I'm shall we say a bit "thrifty"). Thanks in advance, Allen P.S. This list is a usefull source of info and I have learned a lot over the past couple of weeks. Even to a newbie! thanks again.

1998\03\18@125010 by Peter Milanov

Hello! I'm new in PICLIST. My name is Peter Milanov ( E-mail @spam@pmmspam_OUTmail.techno-link.com ) and I'm from Bulgaria. Best Regards, Peter.

1998\03\18@160048 by Calvin

Nice to meet you :) -----Original Message----- From: Peter Milanov <.....pmm.....TECHNO-LINK.COM> To: spamPICLISTKILLspamMITVMA.MIT.EDU <RemoveMEPICLISTRemoveMEMITVMA.MIT.EDU> Date: MiŽrcoles 18 de Marzo de 1998 11:44 AM > Hello! >I'm new in PICLIST. My name is Peter Milanov ( E-mail >KILLspampmm.....KILLspammail.techno-link.com ) and I'm from Bulgaria. > Best Regards, Peter. >

1998\03\19@005246 by jwoods

From: Joshua Woods@KEYCORP LTD. on 03/19/98 03:40 PM subscribe

1998\03\19@005246 by jwoods

From: Joshua Woods@KEYCORP LTD. on 03/19/98 03:40 PM subscribe

1998\03\19@072714 by Jorge Ferreira

Welcome At 19:37 98.03.18 +0200, you wrote: > Hello! >I'm new in PICLIST. My name is Peter Milanov ( E-mail >pmmspam_OUTspam_OUTmail.techno-link.com ) and I'm from Bulgaria. > Best Regards, Peter. > =============================================================== cumprimentos / best regards Jorge Ferreira //KILLspamjorgegf@spam@mail.telepac.pt ------ Make sure brain is in gear before engaging mouth ------- ===============================================================

1998\03\19@072714 by Jorge Ferreira

Welcome At 19:37 98.03.18 +0200, you wrote: > Hello! >I'm new in PICLIST. My name is Peter Milanov ( E-mail >@spam@pmmRemoveMEmail.techno-link.com ) and I'm from Bulgaria. > Best Regards, Peter. > =============================================================== cumprimentos / best regards Jorge Ferreira //jorgegf@spam@EraseMEmail.telepac.pt ------ Make sure brain is in gear before engaging mouth ------- ===============================================================

1998\03\23@164047 by VGR

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LA PEQUENA JESSICA MYDEK TIENE SIETE AnOS DE EDAD Y SUFRE DE UN
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>>

1998\03\23@165843 by Christian Villouta W.

so-8859-1?Q?"Pablo_Radrig‡n_Battershill"?<spam_OUTpabloradspam_OUTRemoveMEentelchile.net>, "Pablo Garnham" <RemoveMEpgarnham.....banmedica.cl>, "Max Lauer" <spammlauer@spam@rand.de>, "Maureen Battershill" <jopy@earthlink>, "juan Ibieta" <jibietaTakeThisOuTyahoo.com>, "Jorge Recondo Almonacid" <.....jrecondoTakeThisOuTentelchile.net>, "Joaquin Velasco Rubio" <EraseMEquiaoKILLspamentelchile.net>, so-8859-1?Q?"Javier_Radrig‡n_Battershill"?<j_radriganEraseMEyahoo.com>, "Guillermo Caballero Germain" <EraseMEgcaballerospamBeGonerpc.cl>, "Gerge Darricades" <TakeThisOuTdarricadesTakeThisOuTinteraccess.cl>, "Cristian Sepulveda Overleiter" <cepoberspam_OUTentelchile.net>, "Carlos De Carlos Velarde" <spamcdecarlos@spam@ctmsa.cl>, so-8859-1?Q?"Andrea_Almonacid_SchŠfer"?<spam_OUTcaparaTakeThisOuTKILLspamentelchile.net>, "Alejanra Miranda" <RemoveMEalemiran@spam@spamctcreuna.cl> ESTA ES LA SEGUNDA VEZ QUE DEBO ENVIAR ESTE MAIL. AGRADECERE PONER MAS ATENCION CUANDO SE MANDAN MAILS CON COPIAS A MEDIO MUNDO ...... A todos ustedes les llego un mail de una supuesta ni–a Jessica Mydek. Dada la similitud con otros mails recibidos antes, les cuento que trate de enviar un mail a RemoveMEACSRemoveMETakeThisOuTAOL.COM, y dicha direccion no existe. Por lo tanto, este mail es s—lo uno de esos tantos virus que flotan por la red causando problemas de trafico cuando las personas se sienten conmovidas con la tragica historia y envian miles de correos elŽctr—nicos para una supuesta ayuda "virtual". Este no es el unico mail de este tipo. Enviarselo a sus amigos s—lo genera problemas, no ayuda a nadie, si desean ayudar de verdad les sugiero que donen dinero real y no virtual a obras de caridad directamente, como por ejemplo la hermosa obra del hogar de Cristo. Saludos Christian Villouta W.

1998\04\10@145957 by H.P. de Vries

Hi, Does anybody know of eeproms programmable with my picstart plus (if any) ? Hans Hans de Vries - H.P.d.VriesTakeThisOuT@spam@stud.tue.nl +-------------------------------------------------+ | the Official MeadoW Homepage | | http://www.dse.nl/~meadow | | email: meadowTakeThisOuTspamBeGonedse.nl | +-------------------------------------------------+

1998\04\10@204835 by Andy Kunz

At 02:59 PM 4/10/98 -0400, you wrote: >Hi, > >Does anybody know of eeproms programmable with my picstart plus (if any) ? No, Hans, but Carmacon is about to release Chippey. It's a parallel-port EEPROM programmer which works wonderfully under Win95. I got version 1.01 of the software to test the other day and it does pretty much everything I need. Andy ================================================================== Andy Kunz - Montana Design Go fast, turn right, and keep the wet side down! ==================================================================

1998\04\15@015451 by Robert Berlin

Hello, I wonder if any of you know why a program that works in simulator (MPLAB) but it won't work on the PIC16F84? Any ideas... Another question: Does anyone know a way to decrease the value in Data EEprom, in a short routine? //Robert e-mail: spamRobertTakeThisOuTprogrammer.net My Home Page: www.geocities.com/SiliconValley/Lakes/2356/ ********************************************** \\|// ooo \\|// (o o) o| | (o o) ---oOO---(_)------------oOO---(_)---OOo-- ********************************************** ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

1998\04\15@182524 by John Bellini

I am using MPLAB version 3.31 with PICMASTER Emulator. My code is written and compiled with Byte Craft Version 1.20B. When I am debugging with the emulator. I compile my code and everything is loaded automatically via MPLAB. When I hit the reset button for the emulator, my .C file, .LST file and the Program memory are all supposed to goto address 0x0000. My .C file and Program memory does this but my .LST file goes somewhere else in the code. Why do they not link up properly? Sometimes it happens to be okay, but most of the time is out by a lot. Any suggestions? Thank you, John Bellini .....jbellinispamBeGonestatpower.com">http://.....jbelliniTakeThisOuTEraseMEstatpower.com

1998\04\20@044511 by Neil Strong

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1998\04\21@120920 by Bors Robert

singoff piclist

1998\04\28@071710 by J.C BOTMA

Dear friends, Is there perhaps anybody that could assist with the signoff procedure of the list ? Best wishes, George Smith. NewElec Pretoria (Pty) Ltd. Pretoria South-Africa.

1998\05\01@050827 by jciech Skierucha

part 0 371 bytes <META content=text/html;charset=iso-8859-2 http-equiv=Content-Type> <META content='"MSHTML 4.72.2106.11"' name=GENERATOR> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT color=#000000 size=2>subscribe piclist Wojciech Skierucha</FONT></DIV> <DIV> </DIV></BODY></HTML> </x-html>

1998\05\01@131429 by nadeem

Hellow every body i am new to this mailing list, Have any of u made a Icard. If u have then please can tell me how to make one or from where i can get info on making one. And please can ya tel me how to use it and on what sort of reciever am i suppose to us it on. thanks from before Nadeem

1998\05\01@131433 by nadeem

part 0 622 bytes <META content=text/html;charset=iso-8859-1 http-equiv=Content-Type> <META content='"MSHTML 4.72.2106.6"' name=GENERATOR> </HEAD> <BODY bgColor=#ffffff> <DIV>Hellow every body i am new to this mailing list, Have any of u made a Icard.<BR>If u have then please can tell me how to make one or from where i can get<BR>info on making one. And please can ya tel me  how to use it and on what sort<BR>of reciever am i suppose to us it on.<BR><BR>thanks from before<BR>Nadeem<BR></DIV></BODY></HTML> </x-html>

1998\05\01@235736 by ia Alves

part 0 825 bytes <META content=text/html;charset=iso-8859-1 http-equiv=Content-Type> <META content='"MSHTML 4.72.2106.6"' name=GENERATOR> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT color=#000000 size=2>I need a project to send text from my pc (rs232c) to a lcd (2x20) with a pic14c84.</FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT color=#000000 size=2>and if you have other projects, pse send me !</FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT color=#000000 size=2><A href="RemoveMEjose.alvesspamKILLspammail.telepac.pt">STOPspamjose.alvesEraseMEmail.telepac.pt</A></FONT></DIV></BODY></HTML> </x-html>

1998\05\02@024934 by Javier Grijalba

What is a Icard? Javier -----Original Message----- From: nadeem <yjamalspamBeGoneKHI.COMPOL.COM> To: PICLIST@spam@MITVMA.MIT.EDU <spam_OUTPICLISTspamMITVMA.MIT.EDU> Date: Viernes 1 de Mayo de 1998 14:16 PM >Hellow every body i am new to this mailing list, Have any of u made a Icard. >If u have then please can tell me how to make one or from where i can get >info on making one. And please can ya tel me how to use it and on what sort >of reciever am i suppose to us it on. > >thanks from before >Nadeem

1998\05\02@075234 by Justin Grimm

try http://www.mindspring.com/~tcoonan/lcd.html Justin Grimm reaperspam_OUTRemoveMEsouthwest.com.au ---------- From: JosŽ Alexandre Correia Alves <spamjose.alvesspamBeGoneMAIL.TELEPAC.PT> To: spamPICLISTRemoveMEMITVMA.MIT.EDU Subject: Date: Saturday, 2 May 1998 11:20 I need a project to send text from my pc (rs232c) to a lcd (2x20) with a pic14c84. and if you have other projects, pse send me ! KILLspamjose.alvesspam_OUTspam_OUTmail.telepac.pt

1998\05\04@021341 by Vincent Chan

hi, I just begin programming pic. I have question about rc servo, motor and sensor. Do you know where can I find above items for cheap price? Cost is my most important factor. I am also wondering what kind of above items I should use. I am just planning to build a little car that can detect object and avoid to collide with it and find a way around the object. The main component of my car are just rc servo, motor, sensor, a regular(2"x6") breadboard(don't plan to do soldering my 16F84 for now)and chip; so should not weight too much. Also, I am wondering if I have to use seperate chips for each component. Do you know if there are any sample code and circuit for controller moto r, sensor and rc servo that I can read as reference? thanks. bye.

1998\05\04@025531 by g.daniel.invent.design

Vincent Chan wrote: > > hi, > I just begin programming pic. I have question about rc servo, motor a nd > sensor. Do you know where can I find above items for cheap price? Cost is > my most important factor. > I am also wondering what kind of above items I should use. I am just > planning to build a little car that can detect object and avoid to collide > with it and find a way around the object. The main component of my car are > just rc servo, motor, sensor, a regular(2"x6") breadboard(don't plan to do > soldering my 16F84 for now)and chip; so should not weight too much. > Also, I am wondering if I have to use seperate chips for each componen t. > Do you know if there are any sample code and circuit for controller mo tor, > sensor and rc servo that I can read as reference? > > thanks. bye. Vincent, RC servos use a variable pulsewidth signal proportional to arm position or speed. U can use one PIC pin per servo for control ie -> set up tmr0 for high frequency interupt. -> use one counter per channel; decrement every interupt. -> every interupt check counter for equal setpoint; if equal then turn pulse on -> every time a counter reaches zero turn pulse off. -> you can use AN513 as a guide to analog to digital conversion off digital pins, I have developed similiar code for this that goes even further and uses macros. for direct control of a DC motor I recomend the SGS Thomson L293D as a quick and easy solution, two years ago I trained a PIC16C84 to bidirectionally drive two geared motors using an X-Y joystick under I.R. control with this setup. The L293D is power hungry even in low power mode so helps to use a transistor/mosfet to it for a power down mode. Be carefull driving mosfets in a bridge configuration, the internal diodes can "cog" the motor and prevent proper PWM control with out correct drive sequence, this takes 4 pins per bridge where as you can get away with only 2 for a L293D bridge(2 per package). regards, Graham Daniel

1998\05\12@105751 by RJ Hide

'Help!' I am new to PICs and need some help I have written a program to position a target at various positions, At first I used TMR0 (no pre-scaler) with no problems! (well not many) However as I needed more accuracy I altered the program to use TMR1 (asynchronous, prescaler 1) The problem is that each time I write, or clear the counter it does not appear to count the first pulse after these operations, but in simulation it does. any ideas, am I just doing something stupid? Many thanks Bob

1998\05\20@074914 by Koen Theys

Hi, I'm looking for a good 'free' C-compiler for a PIC16F84 is there anyone who can give me an address where I can find this please ? Thanks, Koen Theys ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

1998\05\27@083142 by David BALDWIN

Is anybody receiving this mail? Sorry for disturbing you... -- _____________ \ / David BALDWIN \ ALCATEL / Design engineer \TELECOM/ \ / SdM (Societe de Microelectronique) \ / \ / B.P. 4205 Phone : +32 (0)71 442932 V B-6000 Charleroi Fax : +32 (0)71 442905 (Belgium) baldwinspam_OUTTakeThisOuTetca.alcatel.be

1998\05\27@090943 by David BALDWIN

I am looking for some things: 1/ PIC asm and simulator under UNIX 2/ A good macro for delay in usec and millisec 3/ A good key routine for debounce Thanks a lot David

1998\05\27@091545 by Aaron Hickman

sure am!

1998\05\27@110026 by )

I received it fine. Frank Richterkessing GE Appliances spamBeGonefrank.richterkessingspamspamBeGoneappl.ge.com {Quote hidden}> -----Original Message----- > From: David BALDWIN [SMTP:@spam@dbspamspam_OUTSDM.BEL.ALCATEL.BE] > Sent: Wednesday, May 27, 1998 8:30 AM > To: KILLspamPICLISTKILLspamMITVMA.MIT.EDU > Subject: > > Is anybody receiving this mail? Sorry for disturbing you... > -- > > _____________ > \ / David BALDWIN > \ ALCATEL / Design engineer > \TELECOM/ > \ / SdM (Societe de Microelectronique) > \ / > \ / B.P. 4205 Phone : +32 (0)71 442932 > V B-6000 Charleroi Fax : +32 (0)71 442905 > (Belgium) KILLspambaldwinspamspametca.alcatel.be

1998\05\27@131411 by David Stone

In-reply-to: <356C0D56.13728473KILLspam.....sdm.bel.alcatel.be>> -------- On Wed, 27 May 1998 14:55:50 +0200 David BALDWIN wrote: > I am looking for some things: > > 1/ PIC asm and simulator under UNIX My first cut was to get the most recent versions of the DOS-based tools from Microchip running in DOSEMU on Linux. MPASM 2.01 MPSIM 5.20 Looking at several Unix-based PIC assemblers it seemed that none of them maintained compatibility with MPASM syntax. So I haven't followed up on this (yet), and am using MPSIM in DOSEMU. For simulators I've just been through this and have found that there are several answers if you are going to only use 16C84 (or 16F84 while keeping the differences in mind): - psim-0.1 - Minimally featured, yet clean code. Directly reads INHX8M files. No documentation. Available at: http://www.brouhaha.com/~eric/pic/psim.html - picsim - Minimally featured, dependent upon a symbol table file generated by it's sister package, picasm. No documentation. Available at: www.ai.mit.edu/people/rsargent/picutils.html - nitpic - GUI/X version. I didn't work out what kind of input files it needed. No documentation. Available at the GNUPIC archive: http://www.execpc.com/~rdmiller/gnupic/ - simulpic - Closest to MPSIM in terms of functionality. Minimal documentation, in Italian. Available at: http://www.iet.unipi.it/~luigi/pic.html After looking at these, I am using MPSIM in DOSEMU, but musing about enhancements to simulpic. In particular, adding symbol support and a repeat last command function when you input an empty line to the command parser. David Stone

1998\05\27@145510 by ogerio Odriozola

Yes, no trouble... dbspamBeGoneSDM.BEL.ALCATEL.BE on 27/05/98 07:29:51 AM Please respond to PICLISTspam_OUTMITVMA.MIT.EDU To: .....PICLISTRemoveMEKILLspamMITVMA.MIT.EDU cc: (bcc: Rogerio Odriozola/MTY/TVA/Dataflux) Subject: Is anybody receiving this mail? Sorry for disturbing you... -- _____________ \ / David BALDWIN \ ALCATEL / Design engineer \TELECOM/ \ / SdM (Societe de Microelectronique) \ / \ / B.P. 4205 Phone : +32 (0)71 442932 V B-6000 Charleroi Fax : +32 (0)71 442905 (Belgium) TakeThisOuTbaldwinKILLspam.....etca.alcatel.be

1998\05\28@120422 by Andres j Ogayar

Me Too. >From the sunny south of Spain, Andres j. Ogayar. Malaga, Spain 'Costa Del Sol', -----Mensaje original----- De: David BALDWIN <dbspam_OUTspamBeGoneSDM.BEL.ALCATEL.BE> Para: PICLIST.....@spam@MITVMA.MIT.EDU <@spam@PICLISTspamMITVMA.MIT.EDU> Fecha: miircoles 27 de mayo de 1998 14:32 {Quote hidden}>Is anybody receiving this mail? Sorry for disturbing you... >-- > > _____________ > \ / David BALDWIN > \ ALCATEL / Design engineer > \TELECOM/ > \ / SdM (Societe de Microelectronique) > \ / > \ / B.P. 4205 Phone : +32 (0)71 442932 > V B-6000 Charleroi Fax : +32 (0)71 442905 > (Belgium) spam_OUTbaldwinspamBeGonespamBeGoneetca.alcatel.be

1998\05\29@140946 by David Wong

How would you implement an array using MicroChip assembly? For example In a higher level language I can write While x < 10 Piclist(x) = stuff; x = x + 1; End Is there a way to do something similar using Pic assembly? Thanks DW

1998\05\30@044642 by 67l4bds

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1998\05\30@124421 by STEENKAMP [M.ING E&E]

Hi, > How would you implement an array using MicroChip assembly? > > For example > > In a higher level language I can write > > While x < 10 > Piclist(x) = stuff; > x = x + 1; > End > > Is there a way to do something similar using Pic assembly? > You can use indirect addressing. This is done through the FSR and INDF special function registers. Load the address of the register you want to access into FSR. When you then access INDF (read from it or write to it), the actual file register used will be the one whose address is in FSR. For example, if you load 20 into FSR and then do a movf INDF, W you will actually read the contents of register 20 into W. Your routine could be done like this: movlw PicList ;Get address of first byte in array movwf FSR ;Use indirect addressing movlw 10 ;Repeat for 10 elements movwf x Loop: movlw stuff ;Get whatever you want in the array into W movwf INDF ;Store in array incf FSR, F ;Next byte in the array decfsz x, F goto Loop ;Repeat until x=0 Niki

1998\06\03@004352 by Gregg Kricorissian

Mon, 1 Jun 1998, Andre Abelian asked: >I made PWM based on 16c71 connection between >pic output to logic level hexfet gate I put 300 ohms resistor. >I am driving 10 A fuel pump. the problem is that ones in a while >when this hexfet gets hot PWM stops working until it >cools down. my question is using 300 ohm between pic and FET is >it correct. Andre, Power FETs are easy to drive poorly, and can be very difficult to drive efficiently. The clue with your project is that the hexfet is running hot.... likely because it is either not far enough into saturation while it is "on", and/or not switching fast enough during PWM. In either case, as the FET heats up, the conductance of the device gets worse, causing still more heating. THis mechanism of FETs makes them immune to the thermal runaway of bipolar transistors, but can make them a pain to drive. The series resistor in the FET's gate circuit is only required to prevent spurious oscillation during switching, since there is "no" current flow except during the edges. However, since the gate is capacitive, any series resistance also slows down switching. If your PWM frequency is high, you may be inadvertently be adding to you heating problems by preventing clean turn off and turn on of your output device with that 300 ohm resistor. I should think that 47 ohms is fine for your purpose. You might think about putting a gate bleed resistor in as well. Another thing you have to watch with high current loads is keeping the drive circuitry and load paths separate ... high frequency PWM can cause havoc if the two circuits share much ground path ... best to use single point grounding. After the paper design stage, I prefer to develop a drive circuit by monitoring the FET switching waveforms with a scope .... both voltage and current, and adjust values to optimize saturation and switching times. Hope this helps, .. Gregg TakeThisOuTgrkricorKILLspamccs.carleton.ca

1998\06\03@113317 by Koen Theys

Hi I would like to be subscribed in PICLIST is that possible please ? my name : koen theys Email : RemoveMEkoentheysTakeThisOuTspamhotmail.com Thanks, Koen Theys ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

1998\06\11@034243 by Koll,Rob

Michael, Typical debounce times are somewhere about 10 ms, but afcourse it depends on the type of switch. So, make it easy configurable and start with 10 ms. We made a system with switched connected to a I2C IO expander (Philips chip PCF8574A) connected to a PIC 16C73A or 16C76 using I2C connection. The IO expander also controls 2 LED's. Each time the switch changes, an interrupt is given to the PIC and it gets the current state. A timer (1 ms interval time) counts up the key stable time. When it reaches a threshold (5 ms in the current version, using dipswitches, no final HW available yet) and running fine. Greetings, Rob Koll

1998\06\15@140723 by Craig Webb

Hi all, I've asked about this before, and it's not that I deleted responses I got, but rather that I haven't really found a solution yet. There must be someone out there who knows of an *inexpensive* source for LCD displays, overseas or local. Something like 128x64 adressable, but simple (no char. gen. needed, no bells and whistles). I'd even be willing to pay a finder's fee for a really good source tip. My appreciation in advance, Craig Webb

1998\06\16@001521 by Mike Hamilton

I know of a few different styles of lcd's that are sold for cheap at a nearby electronics store. They don't ship orders, but If you tell me what you need I can get pick you up some and send them to you for a small fee. Please be more specific of what you need and what price you are expecting. I can also give you help interfacing them with pic's or whatever since I have used alot of them in my own projects. {Original Message removed}

1998\06\16@112009 by Andy Kunz

>There must be someone out there who knows of an *inexpensive* source for >LCD displays, overseas or local. Something like 128x64 adressable, but >simple (no char. gen. needed, no bells and whistles). Try http://www.hantronix.com. They are about as cheap & reliable as you'll find. Andy ================================================================== Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA ==================================================================

1998\06\16@142227 by smg

Andy: LCD displays are very expensive. Usually you can do better by talking to an optronics rep and finding out what they are supplying in high volume to some other account. If you could be more specific as to the specs. Full VGA, 1/2 VGA, lines, decoding, back lighting, etc. I will look over what we have bought and see if there is a fit. Also, quantities are important. Is it just for your lab or is it for a production item? Please excuse me if I have missed the information on other notes. Richard ---------- {Quote hidden}> From: Andy Kunz <.....mtdesign@spam@spamBeGoneFAST.NET> > To: STOPspamPICLISTTakeThisOuTMITVMA.MIT.EDU > Subject: > Date: Tuesday, June 16, 1998 8:52 AM > > >There must be someone out there who knows of an *inexpensive* source for > >LCD displays, overseas or local. Something like 128x64 adressable, but > >simple (no char. gen. needed, no bells and whistles). > > Try http://www.hantronix.com. > > They are about as cheap & reliable as you'll find. > > Andy > > > ================================================================== > Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA > ==================================================================

1998\06\16@230906 by ape

How about a 640x64 for $16.00 or 640x480 for $25.00. Try http://www.allcorp.com/ It's a surplus house. The above two sizes are their current selections. Great source for non-production supplies. > >There must be someone out there who knows of an *inexpensive* source for > >LCD displays, overseas or local. Something like 128x64 adressable, but > >simple (no char. gen. needed, no bells and whistles).

1998\06\19@021350 by Mark G. Forbes

[Dominic explains....] "Okay here is why I am looking to get a 1nanosecond clock pulse. My application is to measure the distance between 2 unknown points ( at most being 500-600 yards apart) using a two-way (round trip) ranging principle based on point source radio systems. This is basically how I want it to work. Transceiver 1 transmits a signal(pulses), the signal is received at transceiver 2, and after a fixed known delay , it is re-transmitted back to transceiver 1, is received by transceiver 1`s receiver and input to a ranging circuit. The ranging circuit measures the time difference between the original transmission time and the time of reception (less the known fixed delay) , which would be a direct measure of the two-way distance when multiplied by the speed of light.This is the problem, the speed of light travels at 186,000 miles per second.That translates into roughly 98,208,000 feet per second. For an accurate measurement I would need an oscillator( I guess out of the question with a pic) that would supply my ranging circuit with a time period that would translate into approximately 1nanosecond per foot. I would like to use a PIC to do all the conversions( time to feet and/or yards) and drive an LCD display. Any help will be greatly appreciated." Ok...everybody together now....."You're doing it all wrong!" That's a great idea, in principle, but as you've already observed, it's hard to put into practice because of the annoyingly fast rate that light moves about. Galileo had the same problem, *way* back when. This problem has already been solved, and you don't even need two radio transmitters to solve it. One will do. Create a radio signal of some reasonable frequency, say 902MHz. That's the ISM band in the US, a fairly un-regulated area to work in. Apply a modulating signal such that the carrrier frequency is swept up and down over a range. This is technology you can get off-the-shelf. Point your signal at the distant target, where you've installed an antenna, configured as a reflector. You don't actually *have* to use a reflecting antenna, but it'll make the signal discrimination a lot easier. At 900MHZ, these things don't have to be very large. The transmitting antenna sends out a signal, and it sweeps up in frequency. One round-trip-time later, the receiving antenna begins to pick up the signal that's been reflected back from the reflecting antenna at the other end. But right now, the transmitter is sending a signal that's higher in frequency than it was when it started, and so there's a difference in frequency between the transmitted and received signals. And that difference is proportional to the round-trip-time, and hence the distance. Using a mixing circuit, combine a little of the transmitter signal with the received signal. This will generate sum and difference signals, and you filter out the carrier frequency and the sum, and keep the difference. At zero distance, there's no difference between the two, and the difference frequency goes to zero (DC). As the distance increases, the difference frequency goes up. The sweep rate of the modulation provides the scale factor, and now all you have to sense is a signal that's somewhere in the audio range of frequencies. That's a *much* easier problem! Note that you can also determine speed this way; set the sweep to zero for a fixed frequency, and the difference tells you whether the target is moving or not, and how fast. Alternate sweeping with fixed frequency, and you can also tell which way it's going! This is some of the science behind radar guns. This works with light, too, and it's the principle behind things like laser rangefinders. Even cameras have things like this, these days, so it's not an expensive problem to solve. The ARRL handbook will have an assortment of useful information on RF design, which is where you need to be looking. A PIC could probably do the sweep control and the signal detection, but you've got other things to figure out that dwarf simple things like the control circuit. Mark G. Forbes, R & D Engineer | Acres Gaming, Inc. (541) 766-2515 KC7LZD | 815 NW 9th Street (541) 753-7524 fax TakeThisOuTforbesm@spam@peak.org | Corvallis, OR 97330 http://www.peak.org/~forbesm EraseMEmforbesEraseMEacresgaming.com "There has been an alarming increase in the number of things I know nothing about." ---Anomalous

1998\06\22@203508 by 3ds6rl

Authenticated sender is <3ds6rlTakeThisOuTKILLspamatt.net> Subject: **Bull's Eye Software Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit EMAIL MARKETING WORKS!! Bull's Eye Gold is the PREMIER email address collection tool. This program allows you to develop TARGETED lists of email addresses. Doctors, florists, MLM, biz opp,...you can collect anything...you are only limited by your imagination! You can even collect email addresses for specific states, cities, and even countries! All you need is your web browser and this program. Our software utilizes the latest in search technology called "spidering". By simply feeding the spider program a starting website it will collect for hours. The spider will go from website to targeted website providing you with thousands upon thousands of fresh TARGETED email addresses. When you are done collecting, the spider removes duplicates and saves the email list in a ready to send format. No longer is it necessary to send millions of ads to get a handful of responses...SEND LESS...EARN MORE!!! A terrific aspect of the Bull's Eye software is that there is no difficult set up involved and no special technical mumbo-jumbo to learn. All you need to know is how to search for your targeted market in one of the many search engines and let the spider do the rest! Not familiar with the search engines? No problem, we provide you with a list of all the top search engines. Just surf to the location of a search engine on your browser then search for the market you wish to reach...it's that easy! For instance if you were looking for email addresses of Doctors in New York all you would do is: 1) Do a search using your favorite search engine by typing in the words doctor(s) and New York 2) Copy the URL (one or more)...that's the stuff after the ... for instance it might look like http://www.yahoo.com/?doctor(s)/?New+York 3) Press the START button THAT's IT!!! The Bull's Eye spider will go to all the websites that are linked, automatically extracting the email addresses you want. The spider is passive too! That means you can let it run all day or all night while you are working on important things or just having fun on your computer. There is no need to keep a constant watch on it, just feed it your target market and give it praise when it delivers thousands of email addresses at the end of the day! Features of the Bull's Eye Software: * Does TARGETED searches of websites collecting the email addresses you want! * Collects Email addresses by City, State, even specific Countries * Runs Automatically...simply enter the Starting information, press The Start Button, and it does the rest * Filters out duplicates * Keeps track of URLs already visited * Can run 24 hours per day, 7 days per week * Fast and Easy List Management * Also has built in filtering options...you can put in words that it "Must" have while searching,...you can even put in criteria that it "Must NOT Have"...giving you added flexibility * Also imports email addresses from any kind of files (text files, binary files, database files) * List editor handles Multiple files to work on many lists simultaneously * Has a Black-Book feature... avoid sending emails to people who do not want to receive it * Built-in Mail program...send email directly on the internet with just a click of your mouse * Personalized Emails...if the email address has the user's name when it is collected,..you can send Personalized emails!!! * Sort by Location, Server, User Name, Contact Name * Advanced Operations: · Email address lists export in many different formats (HTML, Comma delimited, text file) · Advanced editing...Transfer, Copy, Addition, Delete, Crop, Move to Top/Bottom · Operations between lists...Union, Subtraction, Comparison * Program is Passive,...meaning you can run other programs at the same time CALL FOR MORE INFORMATION 213-969-4930 CALL FOR MORE INFORMATION 213-969-4930 ORDERING INFORMATION Customer Name Company Name Address City State Zip Phone Fax Email Address ______ BULL'S EYE SOFTWARE $259.00 Includes Software, Instructions, Technical Support ______ Shipping & Handling (2-3 Day Fedex) $10.00 (Fedex Overnite) $20.00 ______ TOTAL (CA Residents add applicable sales tax) *All orders are for Win 95 and Win NT *****CREDIT CARDS ACCEPTED***** MASTERCARD VISA AMEX PLEASE CALL 213-969-4930 to process your order 9am-5pm Pacific Time Checks or Money Orders send to: WorldTouch Network Inc. 5670 Wilshire Blvd. Suite 2170 Los Angeles, CA 90036 Please note: Allow 5 business days for all checks to clear before order is shipped.

1998\06\22@231812 by 4ds6rl

Authenticated sender is <4ds6rlspamBeGonespamatt.net> Subject: **Bull's Eye Software Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit EMAIL MARKETING WORKS!! Bull's Eye Gold is the PREMIER email address collection tool. This program allows you to develop TARGETED lists of email addresses. Doctors, florists, MLM, biz opp,...you can collect anything...you are only limited by your imagination! You can even collect email addresses for specific states, cities, and even countries! All you need is your web browser and this program. Our software utilizes the latest in search technology called "spidering". By simply feeding the spider program a starting website it will collect for hours. The spider will go from website to targeted website providing you with thousands upon thousands of fresh TARGETED email addresses. When you are done collecting, the spider removes duplicates and saves the email list in a ready to send format. No longer is it necessary to send millions of ads to get a handful of responses...SEND LESS...EARN MORE!!! A terrific aspect of the Bull's Eye software is that there is no difficult set up involved and no special technical mumbo-jumbo to learn. All you need to know is how to search for your targeted market in one of the many search engines and let the spider do the rest! Not familiar with the search engines? No problem, we provide you with a list of all the top search engines. Just surf to the location of a search engine on your browser then search for the market you wish to reach...it's that easy! For instance if you were looking for email addresses of Doctors in New York all you would do is: 1) Do a search using your favorite search engine by typing in the words doctor(s) and New York 2) Copy the URL (one or more)...that's the stuff after the ... for instance it might look like http://www.yahoo.com/?doctor(s)/?New+York 3) Press the START button THAT's IT!!! The Bull's Eye spider will go to all the websites that are linked, automatically extracting the email addresses you want. The spider is passive too! That means you can let it run all day or all night while you are working on important things or just having fun on your computer. There is no need to keep a constant watch on it, just feed it your target market and give it praise when it delivers thousands of email addresses at the end of the day! Features of the Bull's Eye Software: * Does TARGETED searches of websites collecting the email addresses you want! * Collects Email addresses by City, State, even specific Countries * Runs Automatically...simply enter the Starting information, press The Start Button, and it does the rest * Filters out duplicates * Keeps track of URLs already visited * Can run 24 hours per day, 7 days per week * Fast and Easy List Management * Also has built in filtering options...you can put in words that it "Must" have while searching,...you can even put in criteria that it "Must NOT Have"...giving you added flexibility * Also imports email addresses from any kind of files (text files, binary files, database files) * List editor handles Multiple files to work on many lists simultaneously * Has a Black-Book feature... avoid sending emails to people who do not want to receive it * Built-in Mail program...send email directly on the internet with just a click of your mouse * Personalized Emails...if the email address has the user's name when it is collected,..you can send Personalized emails!!! * Sort by Location, Server, User Name, Contact Name * Advanced Operations: · Email address lists export in many different formats (HTML, Comma delimited, text file) · Advanced editing...Transfer, Copy, Addition, Delete, Crop, Move to Top/Bottom · Operations between lists...Union, Subtraction, Comparison * Program is Passive,...meaning you can run other programs at the same time CALL FOR MORE INFORMATION 213-969-4930 CALL FOR MORE INFORMATION 213-969-4930 ORDERING INFORMATION Customer Name Company Name Address City State Zip Phone Fax Email Address ______ BULL'S EYE SOFTWARE $259.00 Includes Software, Instructions, Technical Support ______ Shipping & Handling (2-3 Day Fedex) $10.00 (Fedex Overnite) $20.00 ______ TOTAL (CA Residents add applicable sales tax) *All orders are for Win 95 and Win NT *****CREDIT CARDS ACCEPTED***** MASTERCARD VISA AMEX PLEASE CALL 213-969-4930 to process your order 9am-5pm Pacific Time Checks or Money Orders send to: WorldTouch Network Inc. 5670 Wilshire Blvd. Suite 2170 Los Angeles, CA 90036 Please note: Allow 5 business days for all checks to clear before order is shipped.

1998\06\25@223941 by 8cpl3y

Authenticated sender is <RemoveME8cpl3y.....worldnet.att.net> Subject: Bull's*Eye* Targeting_Software Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit EMAIL MARKETING WORKS!! Bull's Eye Gold is the PREMIER email address collection tool. This program allows you to develop TARGETED lists of email addresses. Doctors, florists, MLM, biz opp,...you can collect anything...you are only limited by your imagination! You can even collect email addresses for specific states, cities, and even countries! All you need is your web browser and this program. Our software utilizes the latest in search technology called "spidering". By simply feeding the spider program a starting website it will collect for hours. The spider will go from website to targeted website providing you with thousands upon thousands of fresh TARGETED email addresses. When you are done collecting, the spider removes duplicates and saves the email list in a ready to send format. No longer is it necessary to send millions of ads to get a handful of responses...SEND LESS...EARN MORE!!! A terrific aspect of the Bull's Eye software is that there is no difficult set up involved and no special technical mumbo-jumbo to learn. All you need to know is how to search for your targeted market in one of the many search engines and let the spider do the rest! Not familiar with the search engines? No problem, we provide you with a list of all the top search engines. Just surf to the location of a search engine on your browser then search for the market you wish to reach...it's that easy! For instance if you were looking for email addresses of Doctors in New York all you would do is: 1) Do a search using your favorite search engine by typing in the words doctor(s) and New York 2) Copy the URL (one or more)...that's the stuff after the ... for instance it might look like http://www.yahoo.com/?doctor(s)/?New+York 3) Press the START button THAT's IT!!! The Bull's Eye spider will go to all the websites that are linked, automatically extracting the email addresses you want. The spider is passive too! That means you can let it run all day or all night while you are working on important things or just having fun on your computer. There is no need to keep a constant watch on it, just feed it your target market and give it praise when it delivers thousands of email addresses at the end of the day! Features of the Bull's Eye Software: * Does TARGETED searches of websites collecting the email addresses you want! * Collects Email addresses by City, State, even specific Countries * Runs Automatically...simply enter the Starting information, press The Start Button, and it does the rest * Filters out duplicates * Keeps track of URLs already visited * Can run 24 hours per day, 7 days per week * Fast and Easy List Management * Also has built in filtering options...you can put in words that it "Must" have while searching,...you can even put in criteria that it "Must NOT Have"...giving you added flexibility * Also imports email addresses from any kind of files (text files, binary files, database files) * List editor handles Multiple files to work on many lists simultaneously * Has a Black-Book feature... avoid sending emails to people who do not want to receive it * Built-in Mail program...send email directly on the internet with just a click of your mouse * Personalized Emails...if the email address has the user's name when it is collected,..you can send Personalized emails!!! * Sort by Location, Server, User Name, Contact Name * Advanced Operations: 7 Email address lists export in many different formats (HTML, Comma delimited, text file) 7 Advanced editing...Transfer, Copy, Addition, Delete, Crop, Move to Top/Bottom 7 Operations between lists...Union, Subtraction, Comparison * Program is Passive,...meaning you can run other programs at the same time CALL FOR MORE INFORMATION 213-427-5820 CALL FOR MORE INFORMATION 213-427-5820 ORDERING INFORMATION Customer Name Company Name Address City State Zip Phone Fax Email Address ______ BULL'S EYE SOFTWARE $259.00 Includes Software, Instructions, Technical Support ______ Shipping & Handling (2-3 Day Fedex) $10.00 (Fedex Overnite) $20.00 ______ TOTAL (CA Residents add applicable sales tax) *All orders are for Win 95 and Win NT *****CREDIT CARDS ACCEPTED***** MASTERCARD VISA AMEX PLEASE CALL 213-427-5820 to process your order 9am-5pm Pacific Time Checks or Money Orders send to: WorldTouch Network Inc. 5670 Wilshire Blvd. Suite 2170 Los Angeles, CA 90036 Please note: Allow 5 business days for all checks to clear before order is shipped. *If you would like your email address removed, please write us at the above address.

1998\06\25@232723 by 8cpl3y

Authenticated sender is <8cpl3y..........worldnet.att.net> Subject: _Bull's*Eye* Targeting_Software_ Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit EMAIL MARKETING WORKS!! Bull's Eye Gold is the PREMIER email address collection tool. This program allows you to develop TARGETED lists of email addresses. Doctors, florists, MLM, biz opp,...you can collect anything...you are only limited by your imagination! You can even collect email addresses for specific states, cities, and even countries! All you need is your web browser and this program. Our software utilizes the latest in search technology called "spidering". By simply feeding the spider program a starting website it will collect for hours. The spider will go from website to targeted website providing you with thousands upon thousands of fresh TARGETED email addresses. When you are done collecting, the spider removes duplicates and saves the email list in a ready to send format. No longer is it necessary to send millions of ads to get a handful of responses...SEND LESS...EARN MORE!!! A terrific aspect of the Bull's Eye software is that there is no difficult set up involved and no special technical mumbo-jumbo to learn. All you need to know is how to search for your targeted market in one of the many search engines and let the spider do the rest! Not familiar with the search engines? No problem, we provide you with a list of all the top search engines. Just surf to the location of a search engine on your browser then search for the market you wish to reach...it's that easy! For instance if you were looking for email addresses of Doctors in New York all you would do is: 1) Do a search using your favorite search engine by typing in the words doctor(s) and New York 2) Copy the URL (one or more)...that's the stuff after the ... for instance it might look like http://www.yahoo.com/?doctor(s)/?New+York 3) Press the START button THAT's IT!!! The Bull's Eye spider will go to all the websites that are linked, automatically extracting the email addresses you want. The spider is passive too! That means you can let it run all day or all night while you are working on important things or just having fun on your computer. There is no need to keep a constant watch on it, just feed it your target market and give it praise when it delivers thousands of email addresses at the end of the day! Features of the Bull's Eye Software: * Does TARGETED searches of websites collecting the email addresses you want! * Collects Email addresses by City, State, even specific Countries * Runs Automatically...simply enter the Starting information, press The Start Button, and it does the rest * Filters out duplicates * Keeps track of URLs already visited * Can run 24 hours per day, 7 days per week * Fast and Easy List Management * Also has built in filtering options...you can put in words that it "Must" have while searching,...you can even put in criteria that it "Must NOT Have"...giving you added flexibility * Also imports email addresses from any kind of files (text files, binary files, database files) * List editor handles Multiple files to work on many lists simultaneously * Has a Black-Book feature... avoid sending emails to people who do not want to receive it * Built-in Mail program...send email directly on the internet with just a click of your mouse * Personalized Emails...if the email address has the user's name when it is collected,..you can send Personalized emails!!! * Sort by Location, Server, User Name, Contact Name * Advanced Operations: 7 Email address lists export in many different formats (HTML, Comma delimited, text file) 7 Advanced editing...Transfer, Copy, Addition, Delete, Crop, Move to Top/Bottom 7 Operations between lists...Union, Subtraction, Comparison * Program is Passive,...meaning you can run other programs at the same time CALL FOR MORE INFORMATION 213-427-5820 CALL FOR MORE INFORMATION 213-427-5820 ORDERING INFORMATION Customer Name Company Name Address City State Zip Phone Fax Email Address ______ BULL'S EYE SOFTWARE $259.00 Includes Software, Instructions, Technical Support ______ Shipping & Handling (2-3 Day Fedex) $10.00 (Fedex Overnite) $20.00 ______ TOTAL (CA Residents add applicable sales tax) *All orders are for Win 95 and Win NT *****CREDIT CARDS ACCEPTED***** MASTERCARD VISA AMEX PLEASE CALL 213-427-5820 to process your order 9am-5pm Pacific Time Checks or Money Orders send to: WorldTouch Network Inc. 5670 Wilshire Blvd. Suite 2170 Los Angeles, CA 90036 Please note: Allow 5 business days for all checks to clear before order is shipped. *If you would like your email address removed, please write us at the above address.

1998\06\26@021317 by mark kekkonen

part 0 310 bytes <META content=text/html;charset=iso-8859-1 http-equiv=Content-Type> <META content='"MSHTML 4.72.3007.2"' name=GENERATOR> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT color=#000000 size=2>Unsubscribe</FONT></DIV></BODY></HTML> </x-html>

1998\06\26@174956 by Brad Melnyk

I am using the 17C44 with external EEPROM memory as shown on page 29 of the PIC17C4X DATA SHEET. The setup I am using is identical. The clock rate is 4Mz. The Amtel EEPROM has a 120 ns access time. I have a boot loader program residing in the PIC which, with the aid of a computer, transfers the program contents from a hex file to EEPROM memory using the table write instruction. Upon transferring the program, the boot loader jumps to new program and begins executing the code there. Note that interrupts are redirected within the PIC to the appropriate handler in EEPROM memory. The PIC is set up for extended microcontroller mode. The problem I am experiencing is that, although smaller programs work fine (will execute normally from EEPROM memory), larger programs run for a while and jump to some random memory address in EEPROM. Interrupts appear to operate normally. Is it possible the program counter is not able to fetch the next instruction quickly enough and returns a garbage instruction? I have verified that the program contents are intact by comparing each byte to the listing file. Any comments or suggestions would be helpful.

1998\07\14@181820 by Dale Gomes

PICLIST SUBSCRIBE

1998\07\15@064310 by Clewer,Brian

Andre wrote, >Hi Mark : > >Thank you for your recombination I already tried that with out >initialising the ram still works and jw part was covered with black >tape. have you looked at attached code? > >Andre Andre, I think Mark is correct (and so is your code for that matter) but in my experience, it does take a while for the JW part to 'scramble' its ram whilst in the dark (about a month or so). Try going the Andy Warren's Fast Forward site for more information (it's the top question!) http://pw2.netcom.com/~fastfwd/answers.html

1998\07\15@181022 by 3j45d3

Authenticated sender is <spam_OUT3j45d3EraseME.....worldnet.att.net> Subject: -+-+Bull*sEye-*Targeting*Software*+ Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit EMAIL MARKETING WORKS!! Bull's Eye Gold is the PREMIER email address collection tool. This program allows you to develop TARGETED lists of email addresses. Doctors, florists, MLM, biz opp,...you can collect anything...you are only limited by your imagination! You can even collect email addresses for specific states, cities, and even countries! All you need is your web browser and this program. Our software utilizes the latest in search technology called "spidering". By simply feeding the spider program a starting website it will collect for hours. The spider will go from website to targeted website providing you with thousands upon thousands of fresh TARGETED email addresses. When you are done collecting, the spider removes duplicates and saves the email list in a ready to send format. No longer is it necessary to send millions of ads to get a handful of responses...SEND LESS...EARN MORE!!! A terrific aspect of the Bull's Eye software is that there is no difficult set up involved and no special technical mumbo-jumbo to learn. All you need to know is how to search for your targeted market in one of the many search engines and let the spider do the rest! Not familiar with the search engines? No problem, we provide you with a list of all the top search engines. Just surf to the location of a search engine on your browser then search for the market you wish to reach...it's that easy! For instance if you were looking for email addresses of Doctors in New York all you would do is: 1) Do a search using your favorite search engine by typing in the words doctor(s) and New York 2) Copy the URL (one or more)...that's the stuff after the ... for instance it might look like http://www.yahoo.com/?doctor(s)/?New+York 3) Press the START button THAT's IT!!! The Bull's Eye spider will go to all the websites that are linked, automatically extracting the email addresses you want. The spider is passive too! That means you can let it run all day or all night while you are working on important things or just having fun on your computer. There is no need to keep a constant watch on it, just feed it your target market and give it praise when it delivers thousands of email addresses at the end of the day! Features of the Bull's Eye Software: * Does TARGETED searches of websites collecting the email addresses you want! * Collects Email addresses by City, State, even specific Countries * Runs Automatically...simply enter the Starting information, press The Start Button, and it does the rest * Filters out duplicates * Keeps track of URLs already visited * Can run 24 hours per day, 7 days per week * Fast and Easy List Management * Also has built in filtering options...you can put in words that it "Must" have while searching,...you can even put in criteria that it "Must NOT Have"...giving you added flexibility * Also imports email addresses from any kind of files (text files, binary files, database files) * List editor handles Multiple files to work on many lists simultaneously * Has a Black-Book feature... avoid sending emails to people who do not want to receive it * Built-in Mail program...send email directly on the internet with just a click of your mouse * Personalized Emails...if the email address has the user's name when it is collected,..you can send Personalized emails!!! * Sort by Location, Server, User Name, Contact Name * Advanced Operations: 7 Email address lists export in many different formats (HTML, Comma delimited, text file) 7 Advanced editing...Transfer, Copy, Addition, Delete, Crop, Move to Top/Bottom 7 Operations between lists...Union, Subtraction, Comparison * Program is Passive,...meaning you can run other programs at the same time CALL FOR MORE INFORMATION 213-980-7850 CALL FOR MORE INFORMATION 213-980-7850 ORDERING INFORMATION Customer Name Company Name Address City State Zip Phone Fax Email Address ______ BULL'S EYE SOFTWARE $259.00 Includes Software, Instructions, Technical Support ______ Shipping & Handling (2-3 Day Fedex) $10.00 (Fedex Overnite) $20.00 ______ TOTAL (CA Residents add applicable sales tax) *All orders are for Win 95 and Win NT *****CREDIT CARDS ACCEPTED***** MASTERCARD VISA AMEX PLEASE CALL 213-980-7850 to process your order 9am-5pm Pacific Time Checks or Money Orders send to: WorldTouch Network Inc. 5670 Wilshire Blvd. Suite 2170 Los Angeles, CA 90036 Please note: Allow 5 business days for all checks to clear before order is shipped. *If you would like your email address removed, please write us at the above address.

1998\07\15@203900 by 1175d3

Authenticated sender is <EraseME1175d3KILLspamspamworldnet.att.net> Subject: --Bull*sEye-*Targeting*Software*+ Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit EMAIL MARKETING WORKS!! Bull's Eye Gold is the PREMIER email address collection tool. This program allows you to develop TARGETED lists of email addresses. Doctors, florists, MLM, biz opp,...you can collect anything...you are only limited by your imagination! You can even collect email addresses for specific states, cities, and even countries! All you need is your web browser and this program. Our software utilizes the latest in search technology called "spidering". By simply feeding the spider program a starting website it will collect for hours. The spider will go from website to targeted website providing you with thousands upon thousands of fresh TARGETED email addresses. When you are done collecting, the spider removes duplicates and saves the email list in a ready to send format. No longer is it necessary to send millions of ads to get a handful of responses...SEND LESS...EARN MORE!!! A terrific aspect of the Bull's Eye software is that there is no difficult set up involved and no special technical mumbo-jumbo to learn. All you need to know is how to search for your targeted market in one of the many search engines and let the spider do the rest! Not familiar with the search engines? No problem, we provide you with a list of all the top search engines. Just surf to the location of a search engine on your browser then search for the market you wish to reach...it's that easy! For instance if you were looking for email addresses of Doctors in New York all you would do is: 1) Do a search using your favorite search engine by typing in the words doctor(s) and New York 2) Copy the URL (one or more)...that's the stuff after the ... for instance it might look like http://www.yahoo.com/?doctor(s)/?New+York 3) Press the START button THAT's IT!!! The Bull's Eye spider will go to all the websites that are linked, automatically extracting the email addresses you want. The spider is passive too! That means you can let it run all day or all night while you are working on important things or just having fun on your computer. There is no need to keep a constant watch on it, just feed it your target market and give it praise when it delivers thousands of email addresses at the end of the day! Features of the Bull's Eye Software: * Does TARGETED searches of websites collecting the email addresses you want! * Collects Email addresses by City, State, even specific Countries * Runs Automatically...simply enter the Starting information, press The Start Button, and it does the rest * Filters out duplicates * Keeps track of URLs already visited * Can run 24 hours per day, 7 days per week * Fast and Easy List Management * Also has built in filtering options...you can put in words that it "Must" have while searching,...you can even put in criteria that it "Must NOT Have"...giving you added flexibility * Also imports email addresses from any kind of files (text files, binary files, database files) * List editor handles Multiple files to work on many lists simultaneously * Has a Black-Book feature... avoid sending emails to people who do not want to receive it * Built-in Mail program...send email directly on the internet with just a click of your mouse * Personalized Emails...if the email address has the user's name when it is collected,..you can send Personalized emails!!! * Sort by Location, Server, User Name, Contact Name * Advanced Operations: 7 Email address lists export in many different formats (HTML, Comma delimited, text file) 7 Advanced editing...Transfer, Copy, Addition, Delete, Crop, Move to Top/Bottom 7 Operations between lists...Union, Subtraction, Comparison * Program is Passive,...meaning you can run other programs at the same time CALL FOR MORE INFORMATION 213-980-7850 CALL FOR MORE INFORMATION 213-980-7850 ORDERING INFORMATION Customer Name Company Name Address City State Zip Phone Fax Email Address ______ BULL'S EYE SOFTWARE $259.00 Includes Software, Instructions, Technical Support ______ Shipping & Handling (2-3 Day Fedex) $10.00 (Fedex Overnite) $20.00 ______ TOTAL (CA Residents add applicable sales tax) *All orders are for Win 95 and Win NT *****CREDIT CARDS ACCEPTED***** MASTERCARD VISA AMEX PLEASE CALL 213-980-7850 to process your order 9am-5pm Pacific Time Checks or Money Orders send to: WorldTouch Network Inc. 5670 Wilshire Blvd. Suite 2170 Los Angeles, CA 90036 Please note: Allow 5 business days for all checks to clear before order is shipped. *If you would like your email address removed, please write us at the above address.

1998\07\15@213957 by 23d727

Subject: _-*Bull_s*Eye*Targeting*Software- Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit EMAIL MARKETING WORKS!! Bull's Eye Gold is the PREMIER email address collection tool. This program allows you to develop TARGETED lists of email addresses. Doctors, florists, MLM, biz opp,...you can collect anything...you are only limited by your imagination! You can even collect email addresses for specific states, cities, and even countries! All you need is your web browser and this program. Our software utilizes the latest in search technology called "spidering". By simply feeding the spider program a starting website it will collect for hours. The spider will go from website to targeted website providing you with thousands upon thousands of fresh TARGETED email addresses. When you are done collecting, the spider removes duplicates and saves the email list in a ready to send format. No longer is it necessary to send millions of ads to get a handful of responses...SEND LESS...EARN MORE!!! A terrific aspect of the Bull's Eye software is that there is no difficult set up involved and no special technical mumbo-jumbo to learn. All you need to know is how to search for your targeted market in one of the many search engines and let the spider do the rest! Not familiar with the search engines? No problem, we provide you with a list of all the top search engines. Just surf to the location of a search engine on your browser then search for the market you wish to reach...it's that easy! For instance if you were looking for email addresses of Doctors in New York all you would do is: 1) Do a search using your favorite search engine by typing in the words doctor(s) and New York 2) Copy the URL (one or more)...that's the stuff after the ... for instance it might look like http://www.yahoo.com/?doctor(s)/?New+York 3) Press the START button THAT's IT!!! The Bull's Eye spider will go to all the websites that are linked, automatically extracting the email addresses you want. The spider is passive too! That means you can let it run all day or all night while you are working on important things or just having fun on your computer. There is no need to keep a constant watch on it, just feed it your target market and give it praise when it delivers thousands of email addresses at the end of the day! Features of the Bull's Eye Software: * Does TARGETED searches of websites collecting the email addresses you want! * Collects Email addresses by City, State, even specific Countries * Runs Automatically...simply enter the Starting information, press The Start Button, and it does the rest * Filters out duplicates * Keeps track of URLs already visited * Can run 24 hours per day, 7 days per week * Fast and Easy List Management * Also has built in filtering options...you can put in words that it "Must" have while searching,...you can even put in criteria that it "Must NOT Have"...giving you added flexibility * Also imports email addresses from any kind of files (text files, binary files, database files) * List editor handles Multiple files to work on many lists simultaneously * Has a Black-Book feature... avoid sending emails to people who do not want to receive it * Built-in Mail program...send email directly on the internet with just a click of your mouse * Personalized Emails...if the email address has the user's name when it is collected,..you can send Personalized emails!!! * Sort by Location, Server, User Name, Contact Name * Advanced Operations: 7 Email address lists export in many different formats (HTML, Comma delimited, text file) 7 Advanced editing...Transfer, Copy, Addition, Delete, Crop, Move to Top/Bottom 7 Operations between lists...Union, Subtraction, Comparison * Program is Passive,...meaning you can run other programs at the same time CALL FOR MORE INFORMATION 213-969-4930 CALL FOR MORE INFORMATION 213-969-4930 ORDERING INFORMATION Customer Name Company Name Address City State Zip Phone Fax Email Address ______ BULL'S EYE SOFTWARE $259.00 Includes Software, Instructions, Technical Support ______ Shipping & Handling (2-3 Day Fedex) $10.00 (Fedex Overnite) $20.00 ______ TOTAL (CA Residents add applicable sales tax) *All orders are for Win 95 and Win NT *****CREDIT CARDS ACCEPTED***** MASTERCARD VISA AMEX PLEASE CALL 213-969-4930 to process your order 9am-5pm Pacific Time Checks or Money Orders send to: WorldTouch Network Inc. 5670 Wilshire Blvd. Suite 2170 Los Angeles, CA 90036 Please note: Allow 5 business days for all checks to clear before order is shipped. *If you would like your email address removed, please write us at the above address.

1998\07\19@235517 by R. Michael O'Bannon

I am working on an application in which I need to do digital filtering with a PIC16C74. The application is an EEG biofeedback device, and the filter needs a have a sharp bandpass response in the 1 to 40 Hz range. Could someone suggest a source for sample code and for calculating the coefficients for various frequencies? Any help would be appreciated. R. Michael O'Bannon, Ph.D. Corporate and Clinical Psychologist 42 Lenox Pointe Atlanta, GA 30324 RemoveMEmobSTOPspamEraseMEmindspring.com

1998\07\21@053304 by n/a

One of the latest attachments is a .exe! If you run a .exe that is sent to you in an email attachment you are asking for big trouble -- Like goodby operating s ystem, hard disk, screw up your CMOS RAM so you need to remove the battery befor e you can even get into the CMOS setup program. Don't tell me you trust the person sending the email. Its easy to fake the From: address in an email, l ike I'm doing right now!

1998\07\22@064541 by 31_AT_~LBKDOMA_NE%~MEPHUBA_MG%CCMAIL

Thanks for the info, I'll look into it, I've used the '46s in other applications so it should'nt be to hard. I just wondered if there was another way without the PLL. ---------------------- Dave Ward BNFL Magnox Generation England

1998\07\30@233034 by Eric Beazley

can anyone help me? im looking for copies of emails from people in new zealand looking for pic chips, and being refereed to spectron new zealand. if you have copies please send to spam_OUTericbspamRemoveMEspectron.co.nz. thank you....eric

1998\07\31@191214 by Russell McMahon

Hi Eric - I've mentioned Spectron here a few days ago (with suitably nice comments :-)). What are you trying to find out? I also commented less favourably on the service small customers may receive from your suppliers (nothing actionable I think (hope :-)). ---------- {Quote hidden}> From: Eric Beazley <spamBeGoneericbEraseMESPECTRON.CO.NZ> > To: TakeThisOuTPICLIST.....TakeThisOuTMITVMA.MIT.EDU > Subject: > Date: Friday, 31 July 1998 15:28 > > can anyone help me? > im looking for copies of emails from people in new zealand looking for > pic chips, and being refereed to spectron new zealand. if you have > copies please send to ericbspamBeGonespectron.co.nz. > thank you....eric

1998\08\05@010854 by Gavin Jackson

part 0 642 bytes I'm interested in any info you have on PIC chips. I'm a student here in Auckland and Avnet don't want to deal with individuals. Regards Gavin -------------------------- vulcan@spam@ihug.co.nz www.geocities.com/TheTropics/Cabana/2625 -------------------------- -----Original Message----- From: Eric Beazley [SMTP:spamericbSTOPspamRemoveMESPECTRON.CO.NZ] Sent: Friday, July 31, 1998 3:29 PM To: KILLspamPICLISTspam_OUTMITVMA.MIT.EDU Subject: can anyone help me? im looking for copies of emails from people in new zealand looking for pic chips, and being refereed to spectron new zealand. if you have copies please send to @spam@ericbEraseMETakeThisOuTspectron.co.nz. thank you....eric

1998\08\05@062813 by Stefan Sczekalla-Waldschmidt

Hi Gavin, Gavin Jackson schrieb: > > Hi Eric > > I'm interested in any info you have on PIC chips. I'm a > student here in Auckland and Avnet don't want to deal > with individuals. > > Regards > > Gavin If they don4t know you tell them you are: a) Student - needs some kind of begging and possibly help from your school - looking for info. b) Engeneer working for special projects as a one-man-company / consultant. the chips could be bought at farnell http://www.farnell.de

1998\08\05@203316 by Eric Beazley

Hi Gavin Welcome to Spectron. I am more than happy to help you where I can. There is loads of data available on pic chips. most of it is available on the internet where is where I refer most people. if there is specific data or a specific book you are looking for let me know, otherwise can you give me a few clues as to what it is your looking for so I can point you in the right direction. Have a fantastic day. Regards Eric. > {Original Message removed}

1998\08\06@035803 by Dale Wescombe

Gavin, What info do you want ? I'm an FAE for an Australian company called Zatek. Part of the ARROW group. Maybe I can help an individual!!!! Dale At 05:06 PM 8/5/98 +1200, you wrote: {Quote hidden}>Hi Eric > >I'm interested in any info you have on PIC chips. I'm a >student here in Auckland and Avnet don't want to deal >with individuals. > >Regards > >Gavin >-------------------------- >RemoveMEvulcanTakeThisOuTihug.co.nz >www.geocities.com/TheTropics/Cabana/2625 >-------------------------- > > >{Original Message removed}

1998\08\06@041353 by David test

How do I get on this list? Please Email me directly on RemoveMEddpiclistspamhotmail.com Thanks Dave ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

1998\08\07@042738 by Claudio Rachiele IW0DZG

Status Distribution August 06, 1998 08:09:26 The message regarding "" sent on August 06, 1998 08:09:26 was sent by Status Recipient Type To Native Name KILLspamPICLISTspamspam_OUTMITVMA.MIT.EDU Foreign Native Name spamPICLIST.....TakeThisOuTMITVMA.MIT.EDU\n\n\nINTERNET Recipients Status Reporters Type From Initials CR Name Domain NOTES Native Name CN=Claudio Rachiele IW0DZG/OU=Italy/O=IBM@IBMIT Foreign Native Name CN=Claudio Rachiele IW0DZG/OU=Italy/O=IBM\nIBMIT\n\n Organization IBM Org Unit 1 Italy Last Name IW0DZG First Name Claudio Status 769 Explanation Invalid recipient X.400 Status 769 Explanation Router: Unable to open mailbox file D14HUBM1/14/H/IBM mail.box: Server not responding

1998\08\13@055019 by Michael van der Zee

hi, I'm new at this pic programming. I belive I need a push in the right direction. I've got a pic 16c84 and a "picstart plus" programmer from microchip with mpasm. I'm lost in all kinds of project files linkers and *.asm. What I like to do is the following, I need a I2C or UART (or any other) communication, and olso my own code ( I need to count inputs only). My own code is not the problem but compiling it with the I2C. Some AN*** directory's on the cd shiped with the programmer contain asm files and other, but the files are all for different pic divices...?? can I use these files on a 16c84 ..? do I need template's ..? I belive that it must be verry simple (couse thats what a read everywere) but I'm lost. I olso keep getting the same error like this: ************* (Lots of errors) Error[147] C:\PROGRA~1\MPLAB\EXAMPLE\I2CBUS.ASM 391 : Directive not allowed when generating an object file (ORG) Error[152] C:\PROGRA~1\MPLAB\EXAMPLE\I2CBUS.ASM 392 : Executable code and data must be defined in an appropriate section (but alway's unable to find output file) MPLAB is unable to find output file "I2CBUS.O". Build failed. ************* What am I doeing wrong here...?? please help thanx Michael.

1998\08\19@172334 by Donald Brown

Hi, I'm looking for some code routines for the PIC 16f84 to send and recieve X10 commands. Can someone please help. Thanks Don _________________________________________________________ DO YOU YAHOO!? Get your free @yahoo.com address at http://mail.yahoo.com

1998\08\19@214331 by Gary T. Pepper

At 02:20 PM 8/19/1998 -0700, you wrote: >Hi, > >I'm looking for some code routines for the PIC 16f84 to send and >recieve X10 commands. > >Can someone please help. > >Thanks >Don > >_________________________________________________________ >DO YOU YAHOO!? >Get your free @yahoo.com address at http://mail.yahoo.com > > The next version (v2.0) of microEngineering's PicBasic Pro is supposed to have X10 support. The promised release date is sometime this month. Gary Pepper

1998\08\21@154459 by Dave Mumert

Hi all Can someone explain why the following code does not change GP4 and GP5 in the MPLAB SIM? I think I may be losing my mind. list p=12c671 ; list directive to define processor #include <p12c671.inc> ; processor specific variable definitions __CONFIG _CP_OFF & _WDT_ON & _PWRTE_ON & _INTRC_OSC_NOCLKOUT & _MCLRE_ OFF org 0 main bsf STATUS,RP0 ; set file register bank to 1 clrf INTCON ; disable all interupts clrf PIE1 ; disable peripheral interupts movlw 04H ;was 04 movwf ADCON1 ; set GP0,GP1 to analog inputs movlw B'00001011' movwf GPIO ; set bit 0, 1, 3 to inputs movlw B'10001111' movwf OPTION_REG ; set Option register btfss PCON,1 ; have we just powered up bcf STATUS,RP0 ; set file register bank to 0 ; Main1 movlw 00H movwf GPIO movlw 034H movwf GPIO goto Main1 end Thanks Dave Mumert dmumert@spam@spam_OUTtelusplanet.net

1998\08\21@163314 by Chip Weller

Dave: I don't see the tristate register being set. Comments on the 8th instruction seems to indicate that was suppose to be a TRIS GPIO instead of a MOVWF GPIO. Chip Weller. >Hi all > >Can someone explain why the following code does not change GP4 and GP5 in >the MPLAB SIM? >I think I may be losing my mind. > > list p=12c671 ; list directive to define processor > #include <p12c671.inc> ; processor specific variable definitions > > __CONFIG _CP_OFF & _WDT_ON & _PWRTE_ON & _INTRC_OSC_NOCLKOUT & _MCLRE_OFF {Quote hidden}> > org 0 >main > bsf STATUS,RP0 ; set file register bank to 1 > clrf INTCON ; disable all interupts > clrf PIE1 ; disable peripheral interupts > movlw 04H ;was 04 > movwf ADCON1 ; set GP0,GP1 to analog inputs > movlw B'00001011' > movwf GPIO ; set bit 0, 1, 3 to inputs > movlw B'10001111' > movwf OPTION_REG ; set Option register > btfss PCON,1 ; have we just powered up > bcf STATUS,RP0 ; set file register bank to 0 >; >Main1 > movlw 00H > movwf GPIO > movlw 034H > movwf GPIO > goto Main1 > > end > >Thanks > >Dave Mumert >STOPspamdmumerttelusplanet.net

1998\08\29@132156 by Mscaff

How can i get out of this list ?

1998\09\02@161230 by Innovative Electronics

part 0 514 bytes <META content=text/html;charset=iso-8859-6 http-equiv=Content-Type><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <META content='"MSHTML 4.71.1729.1"' name=GENERATOR> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2><BR> </DIV></FONT> <DIV><FONT color=#000000 face=Arial size=2>Subscribe PIC   Nouman Al-Mounajed</FONT></DIV></BODY></HTML> </x-html>

1998\09\07@185917 by Dale Gomes

Does anyone have any data on driving inkjet print heads or know of any good sites for such data. I need hardware and sw techniques. thanks in advance, Dale Gomes Invetech Operations, Ph/Voice mail: (03) 9265-8936 Fax: (03) 9265 8881 email: EraseMEzdegspam_OUTinvetech.com.au

1998\09\08@163844 by Mark Phillips

unsubscribe

1998\09\17@094626 by Clewer,Brian

Nicholas wrote: >>Hi all, >> >>I need to use even parity, 1 stop bit with 7 data bits. I can quite >>easily transmit 8 data bits and no parity but my question is "what would {Quote hidden}>>be the best way of implementing even parity and 7 data bits." Has >>anybody got a snippet of code I could look at (or even pseudo code) or >>maybe a web site to goto? >> >>Thanks for any advise, >>Brian. > >I'm sure some people have some optimised algorithms out there but >one usefull thing to remember is that XOR can be looked at as a >1 bit add applied in parallel (ie 8 times) to each bit in the byte >Thus by shifting bits and swapping nibbles you can arrange to calculate >the parity which is just the sum of all bits. > >; enter with data in W exits with parity in bit 7 of W >temp equ Scratch_Register > movwf temp > swapf temp,F > xorf temp,F > rlf temp,F > rlf temp,F > xorf temp,W > movwf temp > rlf temp,F > xorf temp,W Nicholas, I couldn't get this to work. Will it work on a 16C74? What does the line xorf temp,W mean... do you mean xorwf temp,W? If you did, I still can't see it working. Thanks, Brian.

1998\09\23@011925 by debile filip

subscibe ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

1998\09\25@043807 by tens

part 0 1222 bytes <META content=text/html;charset=iso-8859-1 http-equiv=Content-Type> <META content='"MSHTML 4.71.1712.3"' name=GENERATOR> </HEAD> <BODY bgColor=#ffffff> <DIV> <DIV><FONT color=#000000 size=2>Dear PICs users,</FONT></DIV> <DIV><FONT color=#000000 size=2></FONT> </DIV> <DIV><FONT color=#000000 size=2>I'am a biginning to study for PICs, and I have a  limited budget  to purchase neccessary development's </FONT><FONT color=#000000 size=2>tool for PIC, and I think first I need a Programmer. Can you tell me which is the suitable( cheap and useful ) programmer that I may purchase ? </FONT></DIV> <DIV> </DIV> <DIV><FONT size=2>Looking forward to hearing your further advice and information.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Best Regards,</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Paul H.</FONT></DIV></DIV></BODY></HTML> </x-html>

1998\09\25@052424 by Rivoir Robert

Take a look at David Tait's site. http://www.man.ac.uk/~mbhstdj/piclinks.html <http://www.man.ac.uk/~mbhstdj/piclinks.html> . It has a PIC 16x84 programmer simple to construct. It work very well and it can serve as proto board for small developments. The MPLAB windows software tool is free from http://www.microchip.com <http://www.microchip.com> Regards Robert Rivoir {Original Message removed}

1998\09\28@231527 by Mitchell D. Miller

Has the L293 Push-Pull Four Channel Driver been replaced by a newer product? The closest thing I can find is the LM18293, but their datasheet shows it as an obsolete product. Unfortunately, it doesn't give a replacement!! Thanks, Mitch ------------------------------------ Mitch Miller, Roseville, CA mitchmKILLspamspamns.net ------------------------------------

1998\09\29@060112 by g.daniel.invent.design

Mitchell D. Miller wrote: > > Has the L293 Push-Pull Four Channel Driver been replaced by a newer product? The closest thing I can find is the LM18293, but their datasheet shows it as an obsolete product. Unfortunately, it doesn't give a replacement!! > > Thanks, > Mitch > > ------------------------------------ > Mitch Miller, Roseville, CA > TakeThisOuTmitchmKILLspamns.net > ------------------------------------ Mitchell, I would like to see a low voltage integrated MOSFET replacement for the L293, it's standby current is shockingly high. Check around for variant of the chip if you haven't already ie '293D has internal diode protection. regards, Graham Daniel Electronic Product Enhancements.

1998\09\29@133327 by Martin Green

I Said: "Sorry, but this is not true. A prime example is boxer George Foreman, All five of his sons are called George, and all live at the same address." I forgot to add that the main problem with using address as part of a unique identifier for a person is that it is not, in fact, unique! How many of us have lived at the same address our whole lives? Which one are you, the George Foreman that lives at 123 Boxing Lane, or the one that lives at 456 Muhammed Ali Blvd.? Oh, you are both the same person, well I've got you in the system here twice. Numbers are used to uniquely identify an individual because there simply is no real world adjective that is absolutely unique. I predict that at some time in the future all babies will be tagged at birth with their own "ID Code". I'm not happy about the prospect, but I believe it will happen. CIAO - Martin.

1998\09\29@172737 by Dennis Merrill

Yes, and they are called Social Security Numbers.... or tax ID numbers. These numbers are at least unique in the U.S. At 01:31 PM 9/29/98 -0400, you wrote: > Numbers are used to uniquely identify an individual because there > simply is no real world adjective that is absolutely unique. I predict > that at some time in the future all babies will be tagged at birth > with their own "ID Code". I'm not happy about the prospect, but I > believe it will happen.

1998\09\30@001422 by William Chops Westfield

> I predict > that at some time in the future all babies will be tagged at birth > with their own "ID Code". I'm not happy about the prospect, but I > believe it will happen. Yes, and they are called Social Security Numbers.... or tax ID numbers. These numbers are at least unique in the U.S. Yes, but they lack internal error checking, making them poorly suited to the job :-( BillW

1998\09\30@064326 by Caisson

> Van: Dennis Merrill <spammerrill.....@spam@NICMAD.NICOLET.COM> > Aan: spam_OUTPICLISTspamMITVMA.MIT.EDU > Onderwerp: > Datum: dinsdag 29 september 1998 23:26 > > Yes, and they are called Social Security Numbers.... or tax ID numbers. > These numbers are at least unique in the U.S. It looks funny when someone goes to the counter to get his social-security money, gives his Social Security Number (NOT your name, I can't do anything with your NAME !) and the person on the other side say's "Youre dead, My computer say's so". But this will be and _is_ what we are confronted with : A system that is believed to _be_ the real world, not _representing_ it. Greetz, Rudy Wieser

1998\09\30@110650 by Mark Willis

Caisson wrote: > > > Van: Dennis Merrill <EraseMEmerrillspamBeGoneNICMAD.NICOLET.COM> > > Aan: EraseMEPICLISTspam_OUTspamMITVMA.MIT.EDU > > Onderwerp: > > Datum: dinsdag 29 september 1998 23:26 > > > > Yes, and they are called Social Security Numbers.... or tax ID numbers. > > These numbers are at least unique in the U.S. > > It looks funny when someone goes to the counter to get his social-security > money, gives his Social Security Number (NOT your name, I can't do anything > with your NAME !) and the person on the other side say's "Youre dead, My > computer say's so". But this will be and _is_ what we are confronted with > : A system that is believed to _be_ the real world, not _representing_ it. > > Greetz, > Rudy Wieser One friend suggests transposing a couple digits every time you're asked for your SSN & you feel it's none of their business. He says that he has only been queried once as to whether he gave the right number, and he then knew to ask them what they were doing with the number? And, after all, we're all forgetful engineers, likely to make mistakes like that <G> My friend with seriously bad dyslexia laughed at me when I told him this one day (he almost fell off the car seat...) Mark

1998\09\30@121715 by Andy Kunz

At 04:26 PM 9/29/98 -0500, you wrote: >Yes, and they are called Social Security Numbers.... or tax ID numbers. >These numbers are at least unique in the U.S. WRONG! Not even close. The name and address are used IN ADDITION TO the SSN to uniquely identify you (SSN is still primary key). This is because the SSN is a calculated number, derived from your place of birth and parental SSNs, plus other criteria. Andy ================================================================== Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA ==================================================================

1998\09\30@141004 by Roger Morella

WANTED: 8748 or 8749 (OTP or Windowed EPROM) microprocessors. We are currently looking for 8748 and 8749 processors. Please check your back room, stock room, attics and garages and let me know if you have any and how much you would like for them. Also, any ideas where I can look for them, or where else I can post this message would be greatly appreciated. Please respond direct at rjmspam_OUTbuffnet.net or call me at 716-874-5848 Thank You Roger Morella

1998\09\30@154133 by ogerio Odriozola

Try http://www.drcomponents.com/stockcheck.html they have millions of surplus parts, you could also check http://www.icsstock.com/ don't know about pricing in eaghter of them. Good luck! Rogerio spam_OUTrjmTakeThisOuTKILLspamBUFFNET.NET on 30/09/98 01:06:08 PM Please respond to TakeThisOuTPICLISTMITVMA.MIT.EDU To: spamPICLISTspam_OUTMITVMA.MIT.EDU cc: (bcc: Rogerio Odriozola/MTY/TVA/Dataflux) Subject: WANTED: 8748 or 8749 (OTP or Windowed EPROM) microprocessors. We are currently looking for 8748 and 8749 processors. Please check your back room, stock room, attics and garages and let me know if you have any and how much you would like for them. Also, any ideas where I can look for them, or where else I can post this message would be greatly appreciated. Please respond direct at EraseMErjmspambuffnet.net or call me at 716-874-5848 Thank You Roger Morella

1998\10\01@113113 by mike.mandziuk

SIGNON PICLIST

1998\10\03@183924 by Mitchell D. Miller

Anyone have some recommendations for interfacing TTL level signals to 120VAC mains to power < 200W incadescent light bulbs? Seems like I have used a triac before, but that was probably 10 years ago. Would like to avoid relays and SSRs (too expensive). Thanks, Mitch ------------------------------------ Mitch Miller, Roseville, CA KILLspammitchmEraseMEspam_OUTns.net ------------------------------------

1998\10\06@101033 by Roger Morella

I would like to write a program in Visual Basic that transfers data to an Excel spreadsheet using DDE. How do I set up my VB program to create a DDE server? Roger

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