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From: karl AT aspodata DOT se
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] chassi pins (was: PCB antenna question)
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Comments: In-reply-to "Richard Rasker (rasker AT linetec DOT nl) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
   message dated "Sat, 28 Jan 2017 17:47:16 +0100."
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Message-Id: <20170128205336.B108B81075AC@turkos.aspodata.se>
Date: Sat, 28 Jan 2017 21:53:36 +0100 (CET)
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Precedence: bulk

Richard Rasker:
...
> I mean any metal parts that aren't functional electrical connections,
> such as pins and/or fasteners (e.g. screw holes) for mechanically
> mounting a connector to the PCB.
> Often, it is desirable or even required to connect these metal parts to
> a ground plane, which means they must have a netlist entry and thus a
> defined pin number to avoid error messages. So I usually give these
> pins/pads the number 0.
...

I use a syms like
 http://turkos.aspodata.se/git/openhw/share/gschem/mechanical1.sym
 http://turkos.aspodata.se/git/openhw/share/gschem/radiometrix_rx2a.sym
and footprints like
 http://turkos.aspodata.se/git/openhw/share/pcb/_mechanical/fibox_tempo_TA191209T_4p.fp
 http://turkos.aspodata.se/git/openhw/share/pcb/_modules/radiometrix_rx2a_laying.fp
where the chassi pins have the same pin number.

Regards,
/Karl Hammar

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