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Topic: 3.3v and 5v supply shared Ground? (Read 767 times) previous topic - next topic


Hey, Sorry I'm an idiot or whatever,

Faster to ask here then crawl through the dox looking,

Can I hook up a 3.3v and 5v circuit, and use the same ground to return them?
You have to right?

(Just looking for 1 person to gimmie confidence it'll work, then ff to delete thread)

James C4S

Yes, the 3.3V and 5V supplies on the Arduino use the same Ground Reference.
Capacitor Expert By Day, Enginerd by night.  ||  Personal Blog: www.baldengineer.com  || Electronics Tutorials for Beginners:  www.addohms.com

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