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Thingdev + relay

Posted: Fri Dec 01, 2017 11:06 am
by TS22082
Hey everyone! I successfully got the Thing Dev connected to firebase dbas, now I have questions about phase 2 of my project.

I'd like to hook up a relay and control a 120vac lightbulb but I'm noticing the relays on this website and others are controlled via 5vdc signal pin, and my thing dev output is only 3.2vdc. Is the 3.2 volts going to be enough to trigger the signal pin of the relay?

Re: Thingdev + relay

Posted: Mon Dec 04, 2017 10:21 am
by darrellg
Switching 120 VAC is dangerous. I recommend using one of these instead: https://www.sparkfun.com/products/14236

Re: Thingdev + relay

Posted: Tue Dec 05, 2017 9:05 pm
by Omgitskillah
Hello,
Try using this instead: https://www.sparkfun.com/products/14236

Be careful when dealing with AC. It's dangerous.

Cheers