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电路中的S1为一水银开关,其接通与否与S1的安放方法有关。本电路可装在摩托车的适当部位,只要摩托车撑脚位于停放直立位置,水银开关便断开,告警电路不起作用。一旦小偷窃车,准备骑行时,撑脚改为水平行车位置,水银将S1闭合,触发可控硅控制极,使
S1 in the circuit is a mercury switch, its connection or not and S1 placement method. The circuit can be installed in the appropriate parts of the motorcycle, as long as the motorcycle stand in the parked upright position, the mercury switch will be disconnected, the alarm circuit does not work. Once the thief stole the car, ready to ride, the props to horizontal driving position, mercury will S1 closed, trigger the SCR pole, so that