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Tag Archives: PIR

New from HiTechnic: Passive IR Sensor

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HiTechnic have released a new product; the HiTechnic Passive Infrared (PIR) sensor.  With this sensor you can detect movement of warm bodies, such as pets and people. How does it work?  All warm bodies, such as people and pets emit a certain amount of heat, which is Infrared radiation.  This particular sensor keeps track of changes in the amount of ... Read More »