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 ...

Posted in Arduino Hacks, Games, Peripherals Hacks Tagged control panel, diy usb interface, flight simulator, kerbal space program, pro micro, SX1509 Updating A 1999 Saab With An Arduino August 11 ...