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High voltage with LED?
Does anyone know how to use high votage 220V for LED without transformer? I assembled some boards (collected from internet or newspaper), but not successful. Normally, capacitor is exploded after about 12 hour. Thanks!
C: .22 (400V)
R: 1K1W...
I'm new here. I can help everybody even you need 1 unit. Give me part no. of semiconductor or something and pay shipping cost. I will ship them off. None profit. :)
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