how the motion sensor work? did you have any curciut to built the motion sensor?

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how the motion sensor work? did you have any curciut to built the motion sensor?

2006-12-14 17:54:57 · 2 answers · asked by haris j 1 in Science & Mathematics ➔ Engineering

2 answers

Why buy a book if you can have it at your fingertips, explanation, circuit diagram and all.....
http://www.glolab.com/pirparts/infrared.html

2006-12-14 20:20:46 · answer #1 · answered by Marianna 6 · 1⤊ 0⤋

Go to radio shack. They have all kinds of great little circuit books that you can build with photo cells, infared light detectors. Hours and hours of fun.

2006-12-14 18:02:00 · answer #2 · answered by bkc99xx 6 · 0⤊ 1⤋