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怎么用220V接LED灯

更新时间: 2020-07-05 00:00:00     

具体方法:

1、选用一个0.33--0.47微法耐压在400V以上的电容;

2、在电容上并联1个500K--1M的电阻,再串联1个600--1K的电阻限流,2个电阻功率要在1/4W左右;

3、选出一定数量的LED灯,将LED等分为两组;

4、把两组的正负极端相互并联,再接上阻容降压的电源,LED就可以正常工作。

关键词: 怎么 220v led

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