Hello Arduino fans. Looking for some guidance in regards to using a 220V AC relay in a 120V AC home. Its just that these 220V AC relays are less expensive and wondering if they will work with 120V AC. Just to note that it is AC currrent that activates/deactivates the relay in question. 220 V AC re…

220 V AC VS 120 V AC Relay

bluejets March 31, 2018, 11:37pm 7

opale7000:
I am also considering using a 5 volt DC relay powered via an AC wall USB charger.

Would be my preference.
If the circuit is low voltage simply operate direct.

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