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PICList Thread
'Make your PCBs for free!!!!'
1999\01\13@141412 by Gabriel Gonzalez

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Well, there are a few restrictions...

I am going to order about 500 PCBs for one of our projects and I have about
11 sq in of wasted space. If I add something in this area or if I don't
doesn't make a difference in price, so I thought that somebody would be
interested in filling it.

The available area is 8in x 1.45in of 2 sided FR-4 with solder mask and silk
screen.

Restrictions:
   - PCB file should be in EAGLE format. (I don't want to mess with the
generated Gerber files.)
   - Circuit must have a PIC in it (I like'em).
   - Thru-hole components only.
   - Circuit should be made freely available to the public (no commercial
of for profit ventures.)
   - Related software should also be made publicly available for free.
   - Interesting and useful (no blinking leds.)
   - Proposed files must be sent no later than Friday (in America.)
   - Proposed circuits will be selected by me.
   - Schematic should be sent along with PCB and a description of the
circuit and software.
   - No weird holes or drill sizes, just use standard stuff.
   - If necessary I will edit the circuit.

Maybe nobody is interested and I am throwing this to the wind, but if you
are drop me a line.

Gabriel
TGO Electronics

1999\01\13@145813 by John A. Craft

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Anybody got a circuit for that Cockroach dectector/Eliminator yet?

|-)

Jc.

At 11:26 AM 1/13/99 -0700, you wrote:
{Quote hidden}

1999\01\13@160605 by Alice Campbell

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hi gabriel,

my wish would be for a pile of proto-boards, with 16c84 at one end,
with caps and xtal & ground/vcc buss, 9v batt & rs232 conn. then the
rest done in that 3-pad criss cross pattern, NOT pad-per hole.  could
be distributed to starving students and one-off/two off projects.
about 1 1/2 in x 3in.  i tried wire wrap and hated it.  but pad per
hole is a pain for point-to-point.

sorry, but i have no way to draw up such a thing by friday.

alice



{Quote hidden}

alice

1999\01\13@222531 by Norman Gillaspie

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What you need to do is step and repeat multiple patterns on the same panel
and order less boards.

Norman

"PC-Sat provides quality Usenet Newshosting and Newsfeeds for ISP and
Corporations. Interested see http://www.pc-sat.com"

> {Original Message removed}

1999\01\13@223510 by Don McKenzie

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Alice Campbell wrote:
>
> hi gabriel,
>
> my wish would be for a pile of proto-boards, with 16c84 at one end,
> with caps and xtal & ground/vcc buss, 9v batt & rs232 conn. then the
> rest done in that 3-pad criss cross pattern, NOT pad-per hole.  could
> be distributed to starving students and one-off/two off projects.
> about 1 1/2 in x 3in.  i tried wire wrap and hated it.  but pad per
> hole is a pain for point-to-point.
>
> sorry, but i have no way to draw up such a thing by friday.

Golly, as Gomer Pyle used to say!!!
that almost sounds like a:
http://www.dontronics.com/dt101.html
or
http://www.dontronics.com/dt111.html
simmstick to me.

Doesn't have your preferred 3 pad criss cross however.

Don McKenzie  spam_OUTdonTakeThisOuTspamdontronics.com http://www.dontronics.com

Don's Download Dungeon:   http://www.dontronics.com/download.html
Australian Electronics Ring http://www.dontronics.com/aering.html

1999\01\14@002817 by Gabriel Gonzalez

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What about a small development board for the new 16F873/6 flash pic?

Any suggestions?

Gabriel
TGO Electr—nica

1999\01\14@071725 by Bob Drzyzgula

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On Thu, Jan 14, 1999 at 02:30:53PM +1100, Don McKenzie wrote:
> Alice Campbell wrote:
> >
> > hi gabriel,
> >
> > my wish would be for a pile of proto-boards, with 16c84 at one end,
> > with caps and xtal & ground/vcc buss, 9v batt & rs232 conn. then the
>
> Golly, as Gomer Pyle used to say!!!
> that almost sounds like a:
> http://www.dontronics.com/dt101.html

Actually, with the dedicated RS-232 site and
the 1.5"x3" dimensions, it sounds more exactly
like the PICproto18 from MicroEngineering Labs
(http://www.melabs.com/mel/pp18doc.gif) with pad-per-hole
changed to the 3-hole pattern. I like the PICproto
boards too, although they'd be a bit easier to work with
if the holes were a full 0.042" and one could easily
(like, without re-drilling and possibly ruining the
through- plating) use the various press-in pins from
http://www.vectorelect.com/.  (Don, what do the holes
in your boards, esp the DT111, finish out to?)  Also, it
seems to me that in a 14x15 pin grid, going to three-hole
pads would be fairly limiting in terms of the circuits one
could build on it; it might get pretty tricky finding ways
to place your parts.

As for what to do with the spare PCB space, one other idea
(assuming no one comes up with an actual ready-to-go
circuit) would be to use them to make boards for some
freely available 16F84 programmer spec, say Myke Predko's
YAP circuit or the COM84, or especially one that is known
to properly handle the F87x parts. If someone would be
willing to handle distribution, they could possibly be
offered to newbies on the list who are trying to figure
out how to get started...


--Bob

--
============================================================
Bob Drzyzgula                             It's not a problem
.....bobKILLspamspam@spam@drzyzgula.org                until something bad happens
============================================================

1999\01\14@131659 by Scott Shidel...

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On Wed, 13 Jan 1999, Gabriel Gonzalez wrote:

Hmm, looks you could prolly print the curcuit boards for a YAP prgrammer
in Myke Predko's book for everyoe on the list and then some:)


> Well, there are a few restrictions...
>
>     - Related software should also be made publicly available for free.
>     - Interesting and useful (no blinking leds.)
>     - Proposed files must be sent no later than Friday (in America.)
>     - Proposed circuits will be selected by me.
>     - Schematic should be sent along with PCB and a description of the

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