It's like a shrunken version of the Arduino Leonardo as it features the same ATmega32U4 microcontroller, micro-USB port, and pinouts. It also operates at 5V and requires an external supply of 7 to ...

Then, chances are you already know what an Arduino is, or at the very least ... A few other distinctions you'll notice between the two boards' pinouts are that the Nano has more reset pins ...