Yes, it was a novice error on my part.
I remember you have mentioned that detecting Zero Crossing is not a good way to do things, I have been thinking about that & the only other way that I can think of is to detect Zero Current is this what you were referring to?
I finally found this **broken link removed** circuit, which is free for use that appears simple enough.
willeng said:So my question is that even though the Capacitor is rated at 10V it will still take a higher Voltage if the DIFFERENTIAL across the capacitor is say 10V or less.
willeng said:Now Q1 the 2N3904, I don't really understand, it has approx 118V on the Emitter, Base & Collector.
C2 has around 120V RMS on the AC hot side & around 115V on the ground side obviously a differential of around 5V, so a normal 1nF 100V cap will easily do it?
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