首页->powered-b
本文来自下面的连接:http://www.turbokeu.com/myprojects/acled.htmA long time ago I found a little schematic on internet o......
电池供电小夜灯电路--Battery-powered Night Lamp1,R2___________1M 1/4W ResistorsR3_____________47K 1/4W Resistor (optiona......
......