sec
Advanced Member level 4
Is it possible, by having an emetter and right in front of it (2 meters) a receiver, to detect any kind of human or animal motion ?
thank a lot
thank a lot
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sec said:well now you're going into high tech, I wonder for a simple circuit like an AM emetter and a kind of big coil for receiver.
is you want to sense the motion of human or animal, IR LED and Photodetector is better than microwave, it is widely used