Hello Unregistered ,
Originally Posted by financecatalyst Thanks for the heads up. I am very short of space, heat sink is not a possibility in that space. A capacitor power supply creates heat at ligh line voltage. Burning this heat in a zener or a transistorit is still heat. Can your micro measure the differente between 110 and 220? There may be a way! 220 60hz is 20% hotter than 220 50hz.
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