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由交流电源供电的12V直流稳压电源电路图......
交流电源供电的9V直流电源电路图......
单相定量供电控制器电路图 ......
3V供电的LED驱逐舰电路 (3V LED Chaser)GeneralThere are many 9V chaser circuits that seem to waste about 7V when driving......
电话线供电的存储拨号器电路图 ......