Detect movement, then scare the heck out of an intruder with a high pitched alarm sounds and flashing lights. Does that sound fun? Of course it does. That’s the goal of today’s Arduino project, suitable for beginners. We’ll be writing completely from scratch and testing as we go along so you can hopefully get some idea of how it’s all being done rather than simply installing something I’ve already made. Disclaimer: this isn’t going to actually protect your house. It might give your sister a nasty shock when she sneaks into your room though. You’ll need: An Arduino Ultrasonic “ping”...
Read the full article: How To Make a Simple Arduino Alarm System
via MakeUseOf http://www.makeuseof.com/tag/how-to-make-a-simple-arduino-alarm-system/
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