Gregg's Typewriter-Printer on Gizmodo

Lecturer Chris Gregg made the Gizmodo blog for his design, wiring, and debugging of a custom solenoid array that fits directly over the typewriter's keyboard. This array takes commands from an Arduino Uno, which in turn is fed data through an OS application, allowing a user to "print" directly from a MacBook!

Watch the typewriter-percussive printer in action: