I am designing a circuit where I am powering a IR receiver (photodiode). I looked at some circuits on line and some use PIN2 to supply voltage. What is the advantage of using PIN2 on an Arduino UNO when supplying voltage to a IR receiver (photodiode) ? or is it just as efficient to using 5/3.3 V…

Suppling voltage using PIN2 or 5/3.3 VDC Arduinoi UNO

icebowl December 28, 2021, 6:50pm 3

Thank you! for my application 5VDC will work.

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