BRADENTON, FLA. – GE’s Security business (NYSE: GE) today announced that its new Dual Technology RCR-REX (Range Controlled Radar Request-to-Exit) sensor combines Doppler Range Controlled Radar ...
(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal. PIR ...
Recently, I exhausted my stock of common passive infrared (PIR) motion sensor modules and was looking for a new one to play with. I searched the web for a small type with self-contained electronics.
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