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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

really cool!

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zachtheterrible

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http://imagineeringezine.com/e-zine/efield.html

its a motion detector that does not use vibration, capacitance, an oscillator, or static electricity (actually, it sort of uses static electricity). it is said to work for 50 feet, and can detect cars, humans, EVEN BIRDS!!

for anybody out there who has played halo, maybe it could somehow be modified to work like the motion detector on that game?
 
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