how to switch on 4 channel relay

how to switch on 4 channel relay
how to use relay
how to test relay

[@josser987]

Thank you, I was running - to ground, + to vcc but I did + to in instead of -! all at 5V.
Relay switched on 12V motor!
thanks again!

[@talkwithdeepak6873]

Thank you so much brother ♥️

[@mehtabhashmi2009]

Thanks for the information. I need 24ACDC 4 channel please share name and details of this circuit

[@SahilKumar-ng6dl]

How much volt battery?

[@talkwithdeepak6873]

5v for this module