X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-TCPREMOTEIP: 207.224.51.38 X-Authenticated-UID: jpd AT noqsi DOT com From: John Doty Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: multipart/alternative; boundary=Apple-Mail-102-393481130 Subject: Re: [geda-user] 0.5mm pitch connector suggestions Date: Wed, 29 Jan 2014 10:45:41 -0700 In-Reply-To: To: geda-user AT delorie DOT com References: <52E7C574 DOT 1050300 AT buffalo DOT edu> <201401281828 DOT s0SISxqg012872 AT envy DOT delorie DOT com> <52E80A8C DOT 5010705 AT estechnical DOT co DOT uk> Message-Id: X-Mailer: Apple Mail (2.1085) 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 Precedence: bulk --Apple-Mail-102-393481130 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On Jan 29, 2014, at 8:49 AM, Rob Butts wrote: > One last question, regarding the schematic where this is a 50 pin = connector would I be better off using five 10-pin connectors making five = symbols with the numbered pins or make one symbol of a 50-pin connector. For a big connector, my symbol is usually a box with no pins at all, but = with the necessary attributes like device=3D, footprint=3D, etc. I'll = place it at the end of a bus, to make it clear to the reader what it = serves. Then I'll use pins2gsch = (http://www.gedasymbols.org/user/john_doty/tools/pins2gsch.html) to make = a pseudo-schematic that handles the pin assignments. I find a tabular = representation much easier to read than a tangle of spaghetti. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ jpd AT noqsi DOT com --Apple-Mail-102-393481130 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
One last = question, regarding the schematic where this is a 50 pin connector would = I be better off using five 10-pin connectors making five symbols with = the numbered pins or make one symbol of a 50-pin = connector.

For a big connector, my = symbol is usually a box with no pins at all, but with the necessary = attributes like device=3D, footprint=3D, etc. I'll place it at the end = of a bus, to make it clear to the reader  what it serves. Then I'll = use pins2gsch (ht= tp://www.gedasymbols.org/user/john_doty/tools/pins2gsch.html) to = make a pseudo-schematic that handles the pin assignments. I find a = tabular representation much easier to read than a tangle of = spaghetti.

John Doty              Noqsi = Aerospace, Ltd.

http://www.noqsi.com/

jpd AT noqsi DOT com

= --Apple-Mail-102-393481130--