From PICLIST@MITVMA.MIT.EDU Fri Nov 15 15:56:17 2002 Received: from cherry.ease.lsoft.com [209.119.0.109] by dpmail10.doteasy.com with ESMTP (SMTPD32-7.13) id A9A13760150; Fri, 15 Nov 2002 15:56:17 -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 <9.007DE022@cherry.ease.lsoft.com>; Fri, 15 Nov 2002 18:42:08 -0500 Received: from MITVMA.MIT.EDU by MITVMA.MIT.EDU (LISTSERV-TCP/IP release 1.8d) with spool id 1058 for PICLIST@MITVMA.MIT.EDU; Fri, 15 Nov 2002 18:41:58 -0500 Received: from MITVMA (NJE origin SMTP@MITVMA) by MITVMA.MIT.EDU (LMail V1.2d/1.8d) with BSMTP id 4338; Fri, 15 Nov 2002 18:41:40 -0500 Received: from mail.3mtmp.com [141.117.25.187] by mitvma.mit.edu (IBM VM SMTP Level 320) via TCP with SMTP ; Fri, 15 Nov 2002 18:41:37 EST X-Comment: mitvma.mit.edu: Mail was sent by mail.3mtmp.com Received: from s25-20.resnet.ryerson.ca ([141.117.25.20] helo=3mtmp.com) by mail.3mtmp.com with esmtp (Exim 3.12 #1 (Debian)) id 18Cqaa-0008F8-00 for ; Fri, 15 Nov 2002 19:13:32 -0500 X-Mailer: Mozilla 4.8 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 References: <000101c28ce1$45c16e30$0b00a8c0@PAARD> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <3DD59B00.C1DC6E7D@3mtmp.com> Date: Fri, 15 Nov 2002 19:10:24 -0600 Reply-To: pic microcontroller discussion list Sender: pic microcontroller discussion list From: Josh Koffman Subject: Re: [PIC]: Many channels of PWM To: PICLIST@MITVMA.MIT.EDU X-RCPT-TO: Status: R X-UIDL: 277600750 X-Evolution-Source: pop://mailinglist%40farcite.net@mail.farcite.net/ X-Evolution: 000007b2-0000 Well, it's controlling lights, so it needs to be quick enough so there is no interference, and no flicker. I am not looking for an analog output though, I am looking for actual PWM. I don't think this idea would work...am I wrong? Josh -- A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams Wouter van Ooijen wrote: > Does the DA need to be quick? A kid on my club wanted to make an > 18-channel DMX-to- 0..10 Volt, for which I suggested one DA (chip or > R2R), one opamp, analog 1-to-18 switch, 18 caps, 10 opamps. The details > are left as an exercise... -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.