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Author Topic: Presence detector need help  (Read 372 times)
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hello I am a new user of Arduino

I wonder if it is possible thanks to a presence detector, to start a program when a person passes the sensors in an area Delimited
sorry for my english (I'm french)
If possible, could someone explain to me how you?

thank you very much

Massachusetts, USA
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A PIR (Passive Infrared) sensor will detect the motion of warm bodies, typically humans.

An ultrasonic sensor will detect the distance to an object.

A laser tripwire will detect a object blocking a laser beam.

If none of those are sufficient individually you might want to combine them.

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