I have a transformer AC/DC that gives me 9V, 2A at the output. Can I use it to power an Arduino Nano?
As long as it outputs 9V DC, then yes
Adding to @UKHeliBob's reply:
Do not connect it to 5V But to Vin.
Do not try to draw significant current from the Nano's 5V and/or 3.3V pins.
This topic was automatically closed 180 days after the last reply. New replies are no longer allowed.