---- START NEW MESSAGE --- Received: from cherry.ease.lsoft.com [209.119.0.109] by dpmail10.doteasy.com with ESMTP (SMTPD32-8.05) id A46F117301D6; Sat, 31 Jan 2004 23:02:07 -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 <8.00CC74F8@cherry.ease.lsoft.com>; 1 Feb 2004 2:01:52 -0500 Received: from MITVMA.MIT.EDU by MITVMA.MIT.EDU (LISTSERV-TCP/IP release 1.8e) with spool id 5935 for PICLIST@MITVMA.MIT.EDU; Sun, 1 Feb 2004 02:01:33 -0500 Received: from MITVMA (NJE origin SMTP@MITVMA) by MITVMA.MIT.EDU (LMail V1.2d/1.8d) with BSMTP id 2660; Sun, 1 Feb 2004 02:00:20 -0500 Received: from outbound03.telus.net [199.185.220.222] by mitvma.mit.edu (IBM VM SMTP Level 430) via TCP with SMTP ; Sun, 01 Feb 2004 02:00:19 EST X-Warning: mitvma.mit.edu: Host outbound03.telus.net claimed to be priv-edtnes11-hme0.telusplanet.net Received: from telus.net ([64.180.149.112]) by priv-edtnes11-hme0.telusplanet.net (InterMail vM.6.00.05.02 201-2115-109-103-20031105) with ESMTP id <20040201070018.RAFK279.priv-edtnes11-hme0.telusplanet.net@telus.net> for ; Sun, 1 Feb 2004 00:00:18 -0700 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax) X-Accept-Language: en-us, en, ko, ko-kr MIME-Version: 1.0 References: <401A9A93.20071.28A7C0C@localhost> <006201c3e75d$14b7f200$0301a8c0@user88l53zxzyb> <008101c3e767$6673d1e0$0301a8c0@user88l53zxzyb> <401AB450.90D8D861@UALBERTA.ca> <000901c3e783$53c7a230$0300a8c0@main> <4.3.2.7.2.20040131125200.02af5120@getmail.hansen.net> <5.1.0.14.2.20040201002846.02a6bfe8@66.227.78.148> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: <401CA3F4.602@telus.net> Date: Sat, 31 Jan 2004 23:00:04 -0800 Reply-To: pic microcontroller discussion list Sender: pic microcontroller discussion list From: David P Harris Subject: Re: [OT:] touchscreen for portable device To: PICLIST@MITVMA.MIT.EDU In-Reply-To: <5.1.0.14.2.20040201002846.02a6bfe8@66.227.78.148> Precedence: list X-RCPT-TO: Status: U X-UIDL: 371856741 Have you considered a cheap PDA? They have a (1) touch screen, a (2) controller board, etc etc --- you just need to supply a driver from RS232 to the screen. David James Tu wrote: > I'm trying to figure out the cheapest solution for a touchscreen setup > for > a PDA sized product. (accepting stylus or finger touch.) > > If anyone has any experience with this, I would love some feedback. > > I've been doing a little bit of research and I narrowed it down to > Resistive touch technology. It is the only type that will allow for the > finger or stylus touch. > > I know I will need a controller to read the touch input(4-wire I think > for > smaller sized screens such as for a PDA sized screen.) > > What do I need to drive the graphics output? I'm assuming I need a > controller board of some sort. > What kind of processor do I need to drive the controller board? (I > want to > be able to show pictures, and maybe animations) > I'm not sure how these controller board works. Would a PIC be > sufficient? If the PIC just tells the controller board what images to > read > and stuff, then I think the PIC would be adequate. > > Do I need to get the Display and the Resistive Touch device separately? > > Can anyone point me to some sources where I can find these components and > maybe get prices for them? I've been looking around and can't seem to > find > much. > > Please advise. > > Thanks. > > James > > -- > http://www.piclist.com hint: PICList Posts must start with ONE topic: > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > >------------------------------------------------------------------------ > > >--- >Outgoing mail is certified Virus Free. >Checked by AVG anti-virus system (http://www.grisoft.com). >Version: 6.0.571 / Virus Database: 361 - Release Date: 1/26/2004 > >-- >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 .