The automobile storage battery burglarproof alarm

Published:2011/7/22 21:06:00 Author:qqtang | Keyword: storage battery, burglarproof alarm | From:SeekIC

　　Here is to introduce the automobile storage battery burglarproof alarm, which can emitter signal when the output wire of the battery is cut off, it can be used in the burglarproof alarm of cars and motors.The working principle of the circuitThe automobile storage battery burglarproof alarm consists of the detection control circuit and alarm circuit, see as figure 7-112. The detection circuit consists of the resistors R1-R5, regulated diode VS and transistors V1-V3.The alarm circuit consists of the audio integrated circuit IC, resistor R6 and loudspeaker BL.



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