Noise sensor circuit for light switch using HEP801, HEP50

Noise sensor circuit for light switch using HEP801, HEP50

Noise sensor circuit for light switch using HEP801, HEP50

Parts :

R1 1.5 MΩ      C1 100 µF       D1 1N4007

R3 3.9 kΩ        C2 1 µF           Q1 HEP801

R4 150 kΩ       C3 10 µF         Q2 HEP50

R5 18 kΩ         C4 10 µF

R6 560 Ω         C5 1 µF

R8 10 kΩ         C6 1 µF

R9 1 kΩ

P1 5 kΩ

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