An arduino is a common microcontroller found in small and large projects across the globe. It runs on a variant of C, a common programming language found in microcontrollers.

The Uno

The Uno is thought to be one of the most popular Arduino devices sold. It’s slim design has made it useful for thousands, if not millions of of projects. The Uno has 13 digital pins, 6 analog pins, 3 grounding pins, 3 power pins, and 3 pins dedicated to other uses.