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Infrared automatic faucet
Source: InternetPublisher:睡不醒的小壮 Updated: 2013/08/27
The circuit consists of the following parts: (1) Infrared transmitter It is a multivibrator composed of a 555 circuit. Its oscillation frequency is determined by the values of RP1, R1, and C1. The oscillation frequency of this circuit is 38kHz. (2 ) Infrared receiving circuit This circuit is composed of infrared receiving tube VD2 and CX20106. (3) Water valve control circuit This circuit is composed of control gates F1, F2, drive tube VT1 and relay K1. (4) Light control circuit This circuit is composed of control gate F3, F4, drive tube VT2 and relay K2 are composed of Latest Control Circuits Circuits
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