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下面是 [冰箱门报警器电路图]的电路图 元件BOM表:R1 = 10K - 1/4W Resistor R2 = Photo resistor (any type) R3 = 2.2M - 1/4W Resistor ......
下面是 [冰箱门报警电路]的电路图 材料BOM表:R1 10K 1/4W Resistor R2 Photo resistor (any type) R3,R4 100K 1/4W Resistors C1 10nF ......