首页->led闪烁灯
我要向初学者介绍的LED闪烁灯,分为单组闪烁、两组交替闪烁和三组循环闪烁等类型。单组闪烁灯电路见图1.它属于Rc振荡电路。其工作原理是:当接通电源时,电流经RP向C1充电,C1上的电压不能马上达到VT1的导通电压.VT1......
This circuit operates a LED in pulsing mode, i.e. the LED goes from off state, lights up gradually, then dims ......