| http://www.w3.org/ns/prov#value | - The sensor module 300 further includes a secondary power 311 for providing DC voltages to the infrared sensor 312, the amplifying circuit 313, the delay circuit 314, and the driving circuit 315.The infrared sensor 312 is used for receiving infrared rays emitted by the object or objects such as the person or persons, converting the infrared rays to a current signal, and outputting a voltage signal.
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