PIC and SMS msg security system
I ran across this project a few years ago but never posted it or even saved the URL. It's a security system for a summer cottage that uses a PIC, IR Sensor and a GSM phone circa 2002 to send text message alerts if someone breaks into the place. Not a bad project for the day, and it has a cool case too.
http://www.spaceorbit.net/peter/projects/microguard_mark1/
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