Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive and easily available components. One advantage of using Arduino as a security system is the flexibility!

In this YouTube video, the team from Mythbusters try to beat a thermal intrusion security sensor (a passive infrared sensor, aka PIR, that detects thermal differences). See how ...

Posted in Security Hacks Tagged 16f628a, alarm, modem, pic, pir, sensor ← EL Wire: Make It, Connect It, Power It Wristwatch Board With Throwback Digits → ...