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Message-ID: <533F89FE.2060808@mochima.com>
Date: Sat, 05 Apr 2014 00:43:42 -0400
From: Carlos Moreno <moreno+geda-help AT mochima DOT com>
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To: geda-help AT delorie DOT com
Subject: Re: [geda-help] Workflow Schematic Editor  -> schem2pcb -> PCB Designer
 won't work!
References: <533F4740 DOT 5010606 AT mochima DOT com> <alpine DOT DEB DOT 2 DOT 00 DOT 1404050517330 DOT 8305 AT igor2priv>
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On 14-04-04 11:24 PM, gedah AT igor2 DOT repo DOT hu wrote:
>>> Importing PCB netlist nada-LME49811.net
>>> Warning! Net "unnamed_net1" is shorted to U1 pin 12
>>> Warning! Net "unnamed_net1" is shorted to net "unnamed_net4"
>>> Warning! Net "unnamed_net1" is shorted to net "unnamed_net3"
>>> Warning! Net "unnamed_net3" is shorted to U1 pin 12
>>> Warning! Net "unnamed_net3" is shorted to net "unnamed_net4"
>>> Warning! Net "unnamed_net3" is shorted to net "unnamed_net1"
>>> Warning! Net "unnamed_net4" is shorted to U1 pin 12
>>> Warning! Net "unnamed_net4" is shorted to net "unnamed_net3"
>>> Warning! Net "unnamed_net4" is shorted to net "unnamed_net1"
>
> This means PCB does know about your netlist, but you have a lot of 
> short circuits. This is common when you first open the board after a 
> gsch2pcb step: all components are placed at the same position, many 
> pins sorted.
>
> Try to move them around until there are no touching pins or use 
> "disperse all elements" (in the "select" menu). When done, press 'o' 
> (optimize rats).
>
> If that's not the problem, we may need to see your footprints as well 
> (there may be some overlapping pins in there).

Hi Tibor,

Thanks for your message.  I had done the disperse all elements and
optimize rats, but the rats don't show up  (actually, some times just
*one or two* connections in the resistors show up --- but nothing to
the LME49811)

I also noticed that I was putting R-SMT-0805.fp for the footprint
attribute, instead of R-SMT-0805 (without extension), so I thought
that might be the problem.  But I tried without the extension, and
also tried putting R025  (a built-in footprint --- the one theyt use in
the tutorial on youtube), and I get the same errors and same
outcome.

At any rate, I placed the footprint files at:
http://www.mochima.com/tmp/LME49811.fp  and
http://www.mochima.com/tmp/R-SMT-0805.fp

Quoting from my previous message --- the above files go with:
Symbol file for the LME: http://www.mochima.com/tmp/LME49811.sym

Schematic using this LME and just two resistors and a couple of
connections: http://www.mochima.com/tmp/nada-LME49811.sch

Thanks,
Carlos
--