Led to 220Vac - Zero Crossing

223

02:05:04

220Vac LED lighting, this can be a bi-color led of opposite polarity, or it can be two LEDs. One of the two LEDs could also be replaced by an optocoupler and thus detect zero crossing.
Be careful, it is a non-insulated circuit.

published 5 years ago

giomix

5 years ago

Why 622 V peak? You have 1244 Vpp

BillyT

5 years ago

EC's volts AC are peak not PP.

giomix

5 years ago

@electgpl, yes but you set 1244 vpp, not 622vpp, please trace your voltage source in oscilloscope.

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