X-Authentication-Warning:	delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient:	geda-user AT delorie DOT com
X-Virus-Scanned:	amavisd-new at neurotica.com
X-Original-DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/simple; d=neurotica.com;
	s=default; t=1531263957;
	bh=KwmC/nTzsMmodB9lvfBZpoa/Myt9H+M+4lARvsphnOk=;
	h=Subject:To:References:From:Date:In-Reply-To;
	b=BOdPWpvbl0WkmAMFE+bXUT1qQKCrd0lIi/QBsiY64rU4wnyCTfR1jvPmhoNCwFBwW
	aJZtg6ciDcoiotPNMyNplurWgeQ1m6R7493dcI3zJ3ZIQIuk3XuzZVVIqZZVP+jTe3
	v5mmTyH2Qt0Bi9N+IIb5nYSDHZrE3qLqJ/vyckqA=
Subject:	Re: [geda-user] How to define for an exposed pad to connect to 3
	pins/pads
To:	geda-user AT delorie DOT com
References:	<xnmuuy6a7j DOT fsf AT envy DOT delorie DOT com>
	<910e5ecd-24a2-fdb6-432a-0fa913cf3559 AT neurotica DOT com>
	<s6nk1q23elw DOT fsf AT blaulicht DOT dmz DOT brux>
From:	"Dave McGuire (mcguire AT neurotica DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Openpgp:	preference=signencrypt
Autocrypt:	addr=mcguire AT neurotica DOT com; prefer-encrypt=mutual; keydata=
	xsBNBE90TjYBCACrtN5OyxdOGHWrUcxe4e6fFLaXpA7GIjN9pkTmbb2ozKNxgDKl6Gfk7ywx
	19E+jUbO4KQ4/nhDvXXtWIH2J1a0eiRiDdaENzBtGxoiDIf6vJshMY0vKUn2OQfVn6kaQ5PY
	so5oPrNaJCphJDT/G8S6UzpvjB5UXrUb8625cD08H2Sx1Id79p8JYxs8tFZ1b9qViq8HisDB
	nmziw6oQoqpdMt3D1TX6XdeybfVCigyR26pQ60C/kzOVqT6BzR5ZxP3eTQQQnXc/MQxF3gkP
	49g0/HdLjtDd9HyoDGydK83oDVgECxSXaAy/IO4rWgYJlQCaTScZLyJSn7uXPbSCHXTfABEB
	AAHNJERhdmUgTWNHdWlyZSA8bWNndWlyZUBuZXVyb3RpY2EuY29tPsLAfgQTAQIAKAIbIwYL
	CQgHAwIGFQgCCQoLBBYCAwECHgECF4AFAlr2Br0FCQ9EH10ACgkQTm0vsniSDMRRlQgAjNlC
	jNJpfcMz8YIELVzpTkPyKHAjHAsuuWzORCRpCP5i67FaOnP2jpdTEP50gxHiB4SqfVPshN4+
	DEjsXiCLjqMIrR/5vgXRGa/F0Q4x5TbylzECmikv2zkRUnTnjt3g3o0ByCRSmGvZtIOaNTX5
	Zc/EKrDPlRLKNYNHxmRWH54nrflDBvpxHMx38ZH5wXIL34RFozdafqb+C1uJkxx0/X1DS/Ct
	iIfsOX+FgqMRrS4855p1rYyWnxrsyPU09TNx1cYbL4lIQtlDJpibLnbCo/y0u6IcfrEA8t4p
	nj7QD3TLI01+FrK5Q9vkZ4vyM+XXs6ANoe/p47z+3l9AxtOj8c7ATQRPdE42AQgAuBxBsLxu
	AyyexLICB3NJ4Fu85/Wx0bESlBDPia3+jCfR8sjZ5PWlklJUlpBOc3CXmxwk4QPVTKDHM6kB
	GBq2etfMq9tGMrIhG68kY4KxcRw8mMTVMNeZaJQTa0+6X2MTNvesnutmYqiTEtnsv2R7WfU+
	VAV5Fp9Opmb7bkkQ0uEKazDsLzYnaeg54hALx286inLN/T26eF6UwfrIRQpnYyEE3ip7BNlV
	YvrypzAFu+xlt+4o+yue67YZDrDX8qx/TQeSuGYUAfpdLro2t3w9Bg5qjMdwi4kA20BUgCiZ
	2dS0ApgJwuKnY79YgKq92tD557Ky8m1MM84UNNfnO2ln+QARAQABwsBlBBgBAgAPAhsMBQJa
	9gbYBQkPRB+fAAoJEE5tL7J4kgzEFToH/A5iL95Lou/0eDN1fBNUYj+00PlT5K+3h4QobhOx
	UWUPwJck2/SoIJPOkjk25FnMEsFvPBlkENdf6LmENWskOv5pvZqnc8IKLr5U3RIdkzw/OwGZ
	/imF+XdYhtGSlhAoxbJ8aTSJ2rkviBVLXH8m1zdKZveEnTJg620LBMbfKuZLwcTJ37oUdOYn
	eEbH5tb/eOKxGLId3Z59CGfsDXzwkk8PZn2U+vU0W5NPpOmg20q3iX0STsaFTIlCrOgTmFmh
	woJYFp7FNsv1Qmxbbvk8kvUe+VCsHiZa+UeYlk1GlJwKmLqJyM4IHi3e+TfsIYLjxsacu4eu
	M9oEb/I2cu6GcfA=
Message-ID:	<d199214f-e328-7b97-f93b-5832906bbb9f@neurotica.com>
Date:	Tue, 10 Jul 2018 19:05:57 -0400
User-Agent:	Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
	Thunderbird/52.8.0
MIME-Version:	1.0
In-Reply-To:	<s6nk1q23elw.fsf@blaulicht.dmz.brux>
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id w6AN61je012170
Reply-To:	geda-user AT delorie DOT com
Errors-To:	nobody AT delorie DOT com
X-Mailing-List:	geda-user AT delorie DOT com
X-Unsubscribes-To:	listserv AT delorie DOT com

On 07/10/2018 06:33 PM, Stephan Böttcher wrote:
>>   Ok.  That's an easy case, and that's what I've done for many things
>> like this.  But others, like components that use an existing footprint,
>> will require something different.
>>
>>   For example, the specific thing that hit me this morning was a power
>> resistor in a DPAK package, whose pad is electrically isolated, but I
>> want to solder it down and connect it to the plane thermally.  In the
>> schematic, I use a standard resistor, which has two pins, 1 and 2.  The
>> DPAK PCB footprint has pin 3, which is what gave me trouble.
> 
> The footprint has three pins, the schematic symbol only two.  Add a net=
> attribute to the symbol instance to tell where the third pin shall
> connect to
> 
>   net=GND:3
> 
> I've done exacly that with a voltage regulator in SOT223 package,
> 
>   net=out:4
> 
> to connect pins 2 and 4 (the pad).

  Oh my goodness.  Perfect and elegant.  Wow.  Thank you Stephan!

  (And, dammit, I know how attributes work, why didn't I think of that?!)

            -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA

- Raw text -