We've seen 1993's Doom running (slowly) on an E Ink display, but this is a new one. A team of indie developers got together at an arcade jam hosted at the London Hackspace and modified an old $48 upright piano to work as the controller input for Doom.
According to team leader David Hayward, the group used three I-PAC controllers to let the keyboard communicate with the PC running the game and covered the piano hammers with copper tape, soldering the piano strings to a common ground. A whole mess of wiring later, and the piano keys work to control the game. … Read more