3.5 $ P.I.R. Arduino Intruder Alarm

Passive infrared sensors are great for motion detection projects, i brought it recently for a college project and i was actually being tempted to use it .Unfortunately all i got from The INTERNET were not that much fun .I took out some of my favorite old parts and started tinkering with it .The res...
By: geekrex

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[original story: Instructables]

Instructables 30 Apr 15:06