All Arduino boards have this pin, and it's connected to the built-in voltage regulator that makes sure your board receives a stable supply. For the Nano, the VIN pin is found on Pin 30 (although ...

Posted in Arduino Hacks Tagged arduino, etching, pcb manufacturing, single-sided ← Hackaday’s Duelling Marble Mazes Are Dead Bringing Java To The World Of Microcontrollers → ...