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'[PICLIST] 16F84 first project "Mentor Needed" "Tha'
2001\02\14@102401 by Ray Russell

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In a message dated 2/14/01 3:08:59 AM Eastern Standard Time,
spam_OUText-peter.bettsTakeThisOuTspamNOKIA.COM writes:


{Quote hidden}

To ALL,
Thank you all for all your responses! It is going to take me a couple of days
to wade through all the stuff I got! I will repost with any further questions
as they come up. This list is great!
Ray Russell
General Contractor
Norfolk & Western Railroad

Pocahontas Division
Circa 1958
Visit The Pocahontas Website at:
<A HREF="http://milliron.home.sprynet.com/Pocahontas/Pocahontas1.htm">Click here: Pocahontas Home</A>
OR
http://milliron.home.sprynet.com/Pocahontas/Pocahontas1.htm

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2001\02\14@120644 by mmucker

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Hey Ray--

One thing that ALL of us forgot to mention when telling you to start simple
is that this is still very fun and exciting.

You'd be amazed at how silly otherwise grownup adults can be when they get
an LED to blink for the first time.  We'll jump up and down and holler
hoo-rahs for having conquered the machine.  To anyone else, it's just a
stupid blinking LED, but the satisfaction of getting that to work can't be
overstated.

I remember when I was a little further along on my thermostat project.  I'd
been working for days and had finally gotten my PIC to 'talk' to my
temperature sender, convert the data, and send it to be displayed on several
7-segment LEDs.  I have the temperature probe on this 5 foot cable, stuck in
the refrigerator door, when my sister walked by.  I was so excited that it
was all working that I showed it off to her.

Her response?  "Congratulations, Matthew.  You've invented the thermometer."
And she walked off.

Ah well.

-Matt

> {Original Message removed}

2001\02\14@123016 by Harold M Hallikainen

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       I agree that the blinking LED should be among the first projects. You
just make more complicated stuff from there. Even simpler than a blinking
LED, however, would be to just do something like:

       bank1           ; macro to switch to bank 1
       clrf    trisb
       bank0
loop
       incf    portb,1
       goto    loop

       Look at each of the portb lines with a scope. You should see a square
wave on RB0, half that frequency on RB1, etc. down to RB7.
       One problem with the blinking LED program is people might not know it's
working because the LED blinks so fast (they didn't put in a delay
routine or miscalculated the delay). A scope lets you see what's going
on, even if it's fast...

Harold


On Wed, 14 Feb 2001 11:14:50 -0600 Matthew Mucker <mmuckerspamKILLspamAIRMAIL.NET>
writes:
{Quote hidden}

> > {Original Message removed}

2001\02\14@125928 by Alice Campbell

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welcome, ray,

just to add my 2 cents,  at the very beginning its nice to
have a little 5volt piezo from radioshack. often your ear can
hear faster than your eye can see, and the piezo and a bit of
wire allows you to see if the oscillator on the chip is
working (a soft buzz),  if a pin is firing too fast to see
the led ( a tiny click) and whether a pin is high or low.
the book Easy Pic'n is a really good start, and it starts
with a good hookup diagaram.

alice

{Quote hidden}

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2001\02\14@130754 by M. Adam Davis

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Unfortunately many beginners don't have a scope - but they usually do have
or can easily get an LED.

Many of the best beginner projects need nothing more than a multimeter to
test run and fix...  But when someone invents the 20MHz oscilliscope that
only costs $50 the world of hobby electronics will balloon.

-Adam

Harold M Hallikainen wrote:
{Quote hidden}

> > > {Original Message removed}

'[PIC]:Re: 16F84 first project "Mentor Needed" "Tha'
2001\02\14@144108 by Ray Russell

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In a message dated 2/14/01 1:02:24 PM Eastern Standard Time,
KILLspamacampbellKILLspamspamSCSENGINEERS.COM writes:


> Easy Pic'n is a really good start, and it starts
> with a good hookup diagaram.
>
> alice
>
>

Alice,
I am going hunting for this book tonight! Everyone recomended it.
Ray Russell
General Contractor
Norfolk & Western Railroad

Pocahontas Division
Circa 1958
Visit The Pocahontas Website at:
<A HREF="http://milliron.home.sprynet.com/Pocahontas/Pocahontas1.htm">Click here: Pocahontas Home</A>
OR
http://milliron.home.sprynet.com/Pocahontas/Pocahontas1.htm

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2001\02\14@150742 by Ray Russell

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In a message dated 2/14/01 1:10:07 PM Eastern Standard Time,
spamBeGoneadavisspamBeGonespamUBASICS.COM writes:


> Unfortunately many beginners don't have a scope - but they usually do have
> or can easily get an LED.
>
> Many of the best beginner projects need nothing more than a multimeter to
> test run and fix...  But when someone invents the 20MHz oscilliscope that
> only costs $50 the world of hobby electronics will balloon.
>
> -Adam
>
>
This I have !
While I am totaly uneducated when it comes to PICS I have a lot of use in the
auto motive field these days!
Ray Russell
General Contractor
Norfolk & Western Railroad

Pocahontas Division
Circa 1958
Visit The Pocahontas Website at:
<A HREF="http://milliron.home.sprynet.com/Pocahontas/Pocahontas1.htm">Click here: Pocahontas Home</A>
OR
http://milliron.home.sprynet.com/Pocahontas/Pocahontas1.htm

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'[PICLIST] 16F84 first project "Mentor Needed" "Tha'
2001\02\14@160731 by Chris Carr

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Matthew Mucker wrote

> Hey Ray--
>
> One thing that ALL of us forgot to mention when telling you to start
simple
> is that this is still very fun and exciting.
>
> You'd be amazed at how silly otherwise grownup adults can be when they get
> an LED to blink for the first time.  We'll jump up and down and holler
> hoo-rahs for having conquered the machine.  To anyone else, it's just a
> stupid blinking LED, but the satisfaction of getting that to work can't be
> overstated.
>
> I remember when I was a little further along on my thermostat project.
I'd
> been working for days and had finally gotten my PIC to 'talk' to my
> temperature sender, convert the data, and send it to be displayed on
several
> 7-segment LEDs.  I have the temperature probe on this 5 foot cable, stuck
in
> the refrigerator door, when my sister walked by.  I was so excited that it
> was all working that I showed it off to her.
>
> Her response?  "Congratulations, Matthew.  You've invented the
thermometer."
> And she walked off.
>
> Ah well.
>
> -Matt
>

So True

With an observation like that you must be  a psychologist
or a comedian

:-)

Chris

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2001\02\14@231044 by Dale Botkin

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On Wed, 14 Feb 2001, Chris Carr wrote:

> > 7-segment LEDs.  I have the temperature probe on this 5 foot cable, stuck
> in
> > the refrigerator door, when my sister walked by.  I was so excited that it
> > was all working that I showed it off to her.
> >
> > Her response?  "Congratulations, Matthew.  You've invented the
> thermometer."
> > And she walked off.
> >
> > Ah well.

Yah...  I know what you mean.  I had mine talking to a Dallas temp sensor
and displaying the temperature (C and F alternating) on an LCD, with
occasional "inspirational" messages thrown in.  Had it in my cube at
work...  now, mind you, I work with UNIX geeks, NT geeks and network geeks
(I'm two and a half of these).  All are convinced I'm some kind of weirdo,
with two exceptions.

When a hundred geeks think YOU'RE the geek, you know you're a geek.

Dale
---
The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" (I found it!) but "That's funny ..."
               -- Isaac Asimov

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2001\02\15@104641 by Harold M Hallikainen

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       I am very impressed with how so many people can do so much with so
little. A scope is very valuable, but it IS possible to get stuff working
without it. You're often in the dark, but it CAN be done.
       Every monring when I get to work, I turn on my computer, the scope, then
the coffee. The scope is well used...

Harold


On Wed, 14 Feb 2001 12:36:30 -0500 "M. Adam Davis" <EraseMEadavisspamUBASICS.COM>
writes:
{Quote hidden}

> > > > {Original Message removed}

2001\02\15@124020 by David VanHorn

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At 07:18 AM 2/15/01 -0800, Harold M Hallikainen wrote:
>         I am very impressed with how so many people can do so much with so
>little. A scope is very valuable, but it IS possible to get stuff working
>without it. You're often in the dark, but it CAN be done.
>         Every monring when I get to work, I turn on my computer, the
> scope, then
>the coffee. The scope is well used...

Way back when, (When I didn't have a scope) I built a 555 circuit that
would stretch any pulse to 1S, which fired a beeper.

Later, I built a "logic analyzer" with an HC688(?) magitude comparator. 8
dipswitches, and 8 probes. It would trip the beeper if a given state occurred.

Got a lot of debug out of that.

Then there was the rig that used two 8 bit DACs to display the current
address plot of a running processor on a scope :)


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2001\02\15@131148 by Dal Wheeler

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----- Original Message -----
From: David VanHorn <RemoveMEdvanhornTakeThisOuTspamspamCEDAR.NET>
> Then there was the rig that used two 8 bit DACs to display the current
> address plot of a running processor on a scope :)

Hey! That's a good idea!  How well did it work?

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2001\02\15@134038 by David VanHorn

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>
>Hey! That's a good idea!  How well did it work?

Ok, it definitely wakes you up to the fact that your code is spending a lot
of time in a loop.. Service guys used it for a while with a "glomper" clip
to troubleshoot dead systems by seeing where the code was working. One of
them made up an overlay for the scope that said which chips to replace if
the bright part was in specific zones.. :)


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'[OT:] 16F84 first project "Mentor Needed" "Thanks!'
2001\02\15@141112 by James Newton

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Harold, your morning routine is hazardous...
...coffee, THEN computer then scope.

James Newton, PICList Admin #3
jamesnewtonSTOPspamspamspam_OUTpiclist.com
1-619-652-0593 phone
http://www.piclist.com

----- Original Message -----
From: Harold M Hallikainen <spamBeGoneharoldhallikainenSTOPspamspamEraseMEJUNO.COM>
To: <KILLspamPICLISTspamBeGonespamMITVMA.MIT.EDU>
Sent: Thursday, February 15, 2001 07:18
Subject: Re: [PICLIST] 16F84 first project "Mentor Needed" "Thanks!"


       I am very impressed with how so many people can do so much with so
little. A scope is very valuable, but it IS possible to get stuff working
without it. You're often in the dark, but it CAN be done.
       Every monring when I get to work, I turn on my computer, the scope,
then
the coffee. The scope is well used...

Harold


On Wed, 14 Feb 2001 12:36:30 -0500 "M. Adam Davis" <EraseMEadavisspamEraseMEUBASICS.COM>
writes:
{Quote hidden}

> > > > {Original Message removed}

2001\02\16@024825 by Michael Rigby-Jones

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Coffee, computer, coffee, scope, coffee works well for me :o)

Mike

{Quote hidden}

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2001\02\16@043220 by Alan B. Pearce

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>  Yapp ! It's probably the best support for your coffe cup !
>Until you drop it inside...
>[just a joke]
>Vasile

It is a bit like the call to the PC service centre made by a woman who
complained the coffee cup holder on her PC was faulty. The tech told her the PC
did not come with a cup holder, but she insisted. Eventually he asked her what
was written on the front of the cup holder, to which she replied "CD 40X".

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2001\02\16@082118 by Bob Ammerman

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----- Original Message -----
From: Alan B. Pearce <RemoveMEA.B.PearcespamspamBeGoneRL.AC.UK>
To: <spamBeGonePICLIST@spam@spamspam_OUTMITVMA.MIT.EDU>
Sent: Friday, February 16, 2001 4:33 AM
Subject: Re: [OT]: 16F84 first project "Mentor Needed" "Thanks!"


> >  Yapp ! It's probably the best support for your coffe cup !
> >Until you drop it inside...
> >[just a joke]
> >Vasile
>
> It is a bit like the call to the PC service centre made by a woman who
> complained the coffee cup holder on her PC was faulty. The tech told her
the PC
> did not come with a cup holder, but she insisted. Eventually he asked her
what
> was written on the front of the cup holder, to which she replied "CD 40X".

This one is so old it started with CD 1X

Bob Ammerman
RAm Systems
(contract development of high performance, high function, low-level
software)

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