Gamers will need to purchase additional, less expensive components, such as an Arduino Pro Micro controller. The gamepad must then be cracked open to solder wired connections to the Arduino Pro Micro.

This one’s a bit abstract. Remember those LCD games that became quite popular sometime in the 1990’s? You know, the ones that had only one game, usually a character that could be moved … ...

Inside is Arduino Pro Micro and a PMW 3389 optical sensor on a breakout board. [Ben] was going to use flexible 3D printed panels as mouse buttons, but then had an epiphany — why not use keyboard ...

Arduino, on the other hand, is a micro-controller and not a full computer. Arduino is designed to allow you to execute code without all the fuss of dealing with an operating system.