The Arduino Nano and Uno are equipped with very similar processors (the chip that essentially serves as the brain of the board). The Nano features an ATmega328, while the Uno sports an ATmega328P.

When coding Arduino projects for other people (and myself) I find having ASCII art pinouts of the hardware very helpful. It allows me to very quickly see the pin assignments and pins used. Please feel ...

Despite the differences in size and microcontroller, the Arduino Nano and Micro share some similar pinout configurations. They both have two GND pins, two reset pins, one AREF pin, and three power ...