---- START NEW MESSAGE --- Received: from cherry.ease.lsoft.com [209.119.0.109] by dpmail10.doteasy.com with ESMTP (SMTPD32-8.05) id AA35144C007A; Tue, 27 Jan 2004 19:19:17 -0800 Received: from PEAR.EASE.LSOFT.COM (209.119.0.19) by cherry.ease.lsoft.com (LSMTP for Digital Unix v1.1b) with SMTP id <11.00CC0002@cherry.ease.lsoft.com>; Tue, 27 Jan 2004 22:19:09 -0500 Received: from MITVMA.MIT.EDU by MITVMA.MIT.EDU (LISTSERV-TCP/IP release 1.8e) with spool id 9145 for PICLIST@MITVMA.MIT.EDU; Tue, 27 Jan 2004 22:19:04 -0500 Received: from MITVMA (NJE origin SMTP@MITVMA) by MITVMA.MIT.EDU (LMail V1.2d/1.8d) with BSMTP id 5451; Tue, 27 Jan 2004 22:17:40 -0500 Received: from bandit.rpmservers.com [207.44.248.37] by mitvma.mit.edu (IBM VM SMTP Level 430) via TCP with ESMTP ; Tue, 27 Jan 2004 22:17:39 EST X-Comment: mitvma.mit.edu: Mail was sent by bandit.rpmservers.com Received: from adsl-68-73-54-53.dsl.sfldmi.ameritech.net ([68.73.54.53] helo=ubasics.com) by bandit.rpmservers.com with asmtp (TLSv1:RC4-MD5:128) (Exim 4.24) id 1AlgCs-0001A2-5O for PICLIST@MITVMA.MIT.EDU; Tue, 27 Jan 2004 21:17:34 -0600 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.6) Gecko/20040113 X-Accept-Language: en-us, en, zh, zh-cn, zh-hk, zh-sg, zh-tw, ja, ko, ko-kp, ko-kr MIME-Version: 1.0 References: <001001c3e4fe$2f061620$5d65a8c0@ISLANDERS> <64jd10pa15sus1okulbnb89p4hbi87u9gv@4ax.com> <010c01c3e51e$f10f57c0$7223fea9@jc2> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bandit.rpmservers.com X-AntiAbuse: Original Domain - mitvma.mit.edu X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - ubasics.com Message-ID: <401729D3.8030801@ubasics.com> Date: Tue, 27 Jan 2004 22:17:39 -0500 Reply-To: pic microcontroller discussion list Sender: pic microcontroller discussion list From: "M. Adam Davis" Subject: Re: [PIC:] Picstart plus as an in circuit programmer? (16F627A) To: PICLIST@MITVMA.MIT.EDU In-Reply-To: <010c01c3e51e$f10f57c0$7223fea9@jc2> Precedence: list X-RCPT-TO: Status: U X-UIDL: 371856018 Well, if the connection were only 3 pins then an audio jack would work. In this case you can probably use two audio jacks, but there goes your board realestate. -Adam Jinx wrote: >>For normal operation, jumpers are placed across the top 4 >>spaces to connect the PIC pins to where they normally go. To >>program, the jumpers are removed and a cable is plugged in >> >> > >That's a pretty easy way to do it (and you can glue the 4 jumpers >together). I've been looking around for a "switching" header to >bypass the need to isolate the PIC before programming. I've >made one from a piece of edge connector and springy contacts >from an edge socket like this (four side by side, 0V isn't broken) > >|/ >|\ >|| >|| >ab > >where "a" goes to the PIC and "b" goes to the rest of the circuit, >and the ICSP breaks the contact and connects to "a" but it was a >real fiddly PITA. Works OK but it's uncertain how long this homer >will keep good ohmic contact when the unit is out in the field, even >with gold plating. And I don't fancy trying to make more than a few >of them. Anyone know of anything suitable off-the-shelf ? > >-- >http://www.piclist.com hint: PICList Posts must start with ONE topic: >[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > > > > -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads .