220V交流遥控测试仪电路 发布人:dolphin 时间:2011-07-07 加入技术交流群 扫码加入和技术大咖面对面交流海量资料库查询 收藏 材料BOM表:R1 = 100R-1/2W R2 = 47K R3 = 47K R4 = 100R-1/2W C1 = 0.47uF-275V C2 = 470uF-35V C3 = 10uF-25V D1 = 1N4007 D2 = 1N4007 D3 = TL431 B1 = Piezo Buzzer IR1 = TSOP1738(责任编辑:电路图)
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