Inside the case is an Arduino and breadboard with three through-hole momentary buttons. These are wired up to the Arduino inputs and a sketch emulates keystrokes when connected to a computer.

[Ben Bradley], a member of Freeside Atlanta, built a capacitive touch Jankó keyboard for the Georgia Tech Moog Hackathon. Jankó Keyboards are a 19th-Century attempt to add a more compact piano ...

To make that actually work, Robofun paired an Arduino board with some capacitive controllers for the base, and connected that to a Raspberry Pi that linked the keyboard to the TV.

With the Arduino Leonardo, everyone's favorite hackable microcontroller turned a new page. Now it's time to bring that simplified design and slightly expanded feature set to the rest of the family ...

DIY handheld PC uses mechanical keyboard, Game Boy pieces, Raspberry Pi Small number of electronic parts and a healthy amount of 3D printing.

DIY-er Penk Chen creates his own version of an ultra-portable handheld PC with a mechanical keyboard. Take a quick look at Penkesu.

When the Arduino burst onto the do-it-yourself (“DIY” to devotees) scene in 2005, all manner of tinkerers seized on it as a device that could easily and cheaply run interactive projects.