K kazem3d New Member Feb 16, 2011 #1 hi is there any one to recommend me an optocoupler that has ac input(220v) and dc output(5v)
MikeMl Well-Known Member Most Helpful Member Feb 16, 2011 #2 Any standard opto-isolator, like a 4n35 can be used on 240VAC. You will have to select the appropriate resistance/capacitance to limit the current through the LED emitter.
Any standard opto-isolator, like a 4n35 can be used on 240VAC. You will have to select the appropriate resistance/capacitance to limit the current through the LED emitter.