motor headlight auto-changing controller circuit(I)

Published:2011/7/12 0:40:00 Author:chopper | Keyword: motor, headlight, auto-changing controller, | From:SeekIC

Principle of the circuit The motor headlight auto-changing controller circuit consists of light control circuit and control implementation circuit, which is shown in figure 7-1. 　　Light control circuit is formed by the photosensitive transistor Vl,transistor V2,potentiometer RP,capacitors Cl and C2 and the time-base integrated circuit IC. 　　Control implementation circuit is formed by 3 feet inner circuit of IC, relay K and diode VD.



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