Hello, First time I post here, so bear with me. :smiley: I am bulding a circuit to dim an AC light. Already built the zero cross detector with H11AA1, this one works. But the SSR will switch just from 12v. Tried with a BT137, can't get it working. My question is, How can I trigger 12v from the A…

ZeroCrossing AC Dimming

be80be August 28, 2016, 9:57pm 5

You show that backward the NPN switches to ground

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