Why Does Arduino Have a 3.3V Pin? #arduino #shorts #arduinoprogramming #arduinoproject

If Arduino Uno runs on 5V, why does it have a 3.3V output pin?
It’s useful — but limited. Guess its purpose and find out what not to do with it!

#arduino #3v3output #arduinopinout #arduinoelectronics #microcontroller #techshorts #arduinohacks

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