MICROWAVE PRESENCE DETECTOR WORKS USING DOPPLER EFFECT

MICROWAVE PRESENCE DETECTOR WORKS USING DOPPLER EFFECT

It detects stationary and moving people just like a PIR, but it can do that also behind doors and thin walls, by taking advantage of the Doppler effect. The detection of people, animals and hot bodies in general has been done for years using passive infrared radars, also known as PIR, which work by placing […]

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