I'm looking to power my UNO with an independent battery supply, possibly combined with a solar panel to make the system lower maintenance.
I understand that the UNO has a built in voltage regulator but I don't know what it is regulating??
If i was to use a battery supply would I need to regulate the voltage to between 7 and 12V myslef before connecting it or will the UNO do this itself?
Thanks in advance!