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2006-11-03 22:33:28 · 2 answers · asked by sad 1 in Science & Mathematics Engineering

i mean that i need an introduction , abstract, circuits . block diagram ,..........................

2006-11-03 23:02:08 · update #1

2 answers

You can use PIR detectors as used in burglar alarm systems. They are cheap and readily available. Build your project around those

2006-11-03 22:49:11 · answer #1 · answered by amania_r 7 · 0 0

If you've already got a webcam hooked up then this might be cheap
http://www.adobe.com/devnet/flash/articles/webcam_motion.html

2006-11-04 07:04:35 · answer #2 · answered by Anonymous · 0 0

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