Options to power the Arduino Nano include USB, VIN, and 5 volt pin, meaning you have power options for almost any situation.

Discover how Arduino’s adoption of ZephyrOS revolutionizes embedded development with real-time scheduling, multitasking, and IoT innovation.

[Trent M. Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Ar… ...