Hello Everybody I have very limited skills in electronics and would appreciate some support for this little problem. How do I turn 230V AC into a +5V DC voltage to trigger a digital-in on my arduino. It will take a capacitor to flatten the AC and a voltage divider - that much I know. But I have …

230V AC -> 5V DC

WPD64 December 12, 2015, 9:00am 10

raschemmel:
From Reply#1

OK - I get it
Thanks to all!