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motor flashing lights controller(4)

2016-09-02 04:29  
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motor flashing lights controller(4)
This example describes the motor flashing lights controller with three functions like lights cycle,braking flash,and steering flash,and it can be taken as the taillights' decorative lights of motorcycles or cars.   The principle of circuit The motor flashing lights controller circuit includes low-frequency oscillator,brake/nocturnal light control circuit, turn light control circuit and LED circuit, just as 7-28 shows. The low-frequency oscillator circuit consists of D1 within the Schmitt trigger integrated circuit IC (D1-D6) , resistors R1, R2, capacitor C1 and diodes VD7, VD8.   Brake / nocturnal light control circuit is formed by the resistors R3-R8, capacitor C2, C3 diodes VD1, VD2, VD5, VD6, VD9-VD11, VD23 and crystals V1, V2.