> From: William Chops Westfield[SMTP:westfw@MAC.COM] > Sent: Friday, January 16, 2004 6:19 AM > To: PICLIST@MITVMA.MIT.EDU > Subject: Re: [EE:] About test boxes (hot and cold) > the January Circuit Cellar Ink magazine had a project where the author > had converted a cheap (relatively speaking) peltier drink cooler into > a CPU-controlled temperature chamber. It was quite a reasonable > article. > I believe they only got 8 to 60C out of it, though. Peltiers are not > very efficient coolers, so it's hard to get very low temps, especially > if whatever you're cooling is generating any heat... > Used a PIC, too, I think. Yes, a 16F876. John Power -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu