The automobile multi-function alarm

Published:2011/7/23 3:04:00 Author:qqtang | Keyword: multi-function alarm | From:SeekIC

The working principle of the circuitThe automobile multi-function alarm circuit consists of the detection circuit, trigger circuit, voice alarm circuit and control executing circuit, see as figure 7-100. The detection circuit consists of the control terminal ALC (A is located in the water tank as the water level detection pole; B is located in the general pump liquid as the brake liquid level detecting pole; C is located in the spindle box by the buoy) and resistor R1-R3. The trigger circuit consists of the 6 NAND integrated circuits lC(Dl-D6) and diode VD1-VD3.



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