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Pyroelectric detection wireless security system circuit diag

2016-11-22 14:17  
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Pyroelectric detection wireless security system circuit diagram
Pyroelectric detection wireless security system circuit diagram
Pyroelectric detection wireless transmitter circuit. Pyroelectric detection wireless reciever circuit. Pyroelectric detection wireless system is composedof the pyroelectric infrared detecting circuit, digital encoding radio transmitter circuit, wireless receiver demodulation circuit, the address decoding circuit and alarm trigger and the voice circuit. HN911 is a new pyroelectric infrared detector module. The features are: low power consumption, good interference immunity (especially anti-electromagnetic interference).