Infrared automatic faucet circuit diagram

Published:2011/4/21 8:44:00 Author:Rebekka | Keyword: Infrared automatic faucet | From:SeekIC

The circuit is composed of the parts below: (1) infrared emitterThe multi-harmonic oscillator is comoposed of 555 circuit.The oscillation frequency is decided by value of the RP1, R1, C1. The circuit's oscillation frequency is 38kHz. (2) infrared receiver circuitThe circuit is composed of infrared receiver tube VD2 and CX20106. (3) water valve control circuitThe circuit is composed of controlled gate F1, F2 and drive tube VT1 and relay K1. (4) lamp control circuitThe circuit is composed of the control gate F3, F4, drive tube VT2 and relay K2.



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