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 ...

Repetitive tasks in video games often find a way of pushing our buttons. [Facelesstech] got tired of mashing “A” while catching shooting stars in Animal Crossing, so he set out to autom… ...