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Is it possible to regulate the VIN pin of arduino ?
for example...

if the power supply of the arduino is 9V Battery can i regulate it somehow with code to output 5V or 7V (in other words based on the amount of volts chose)

thank you for ur time

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Vin only goes to the input of the fixed 5V regulator.

Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at
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