This seems to do pretty much what you want; http://www.electronic-circuits-diagrams.com/alarmsimages/alarmsckt12.shtml ----- Original Message ----- From: "Edward Cooper" To: Sent: Tuesday, December 30, 2003 8:40 AM Subject: [EE] Car alarm design > Hi > > My car got broken into yet again, so I'm thinking about designing a > fairly basic car alarm, PIC based which would detect a break in. > Ideally it would be armed/disarmed by remote, with perhaps a override > facility (something as basic as a hidden k/switch). I'd also really > like it to transmit the fact that its being broken into over a fair > range so it can set off an alarm inside, so I can go and stop those > kids from pinching my car stereo. > > Any ideas? Not really sure how to do the transmitting/receiving stuff, > not to worried about breaking any regulations slightly, can anyone > recommend somewhere for parts, UK? > > I don't need it do do anything fancy like immobilize or track or stuff > like that, my 1990 VW Polo ain't worth pinching. > > Thanks guys > > Ed > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.516 / Virus Database: 313 - Release Date: 02-Sep-03 -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.