The motor burglarproof alarm (1)

Published:2011/7/23 20:18:00 Author:qqtang | Keyword: burglarproof alarm | From:SeekIC

Here is to introduce a motor burglarproof alarm which can make the motor normally ignite when it is at the neutral gear, and put out when it is put into gear. The thief would think the motor is malfunctioning and leaves the motor.The working principle of the circuit The motor alarm circuit consists of the transistors V1 and V2, transistor VT, diodes VD1-VD4, relay K, resistors R1-R3 and capacitor C, see as figure 7-70.



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