This could make for an excellent controller or debugger for embedded systems. The Arduino, shield, and LCD could be integrated into the keyboard itself with an I/O port for connecting to your project.

[Max] had a rotary dial from an old telephone and — unsurprisingly — had nothing in particular to do with it. The simple answer? Use an Arduino Leonardo to turn it into a USB keyboard device ...

But I can't help but wonder what a determined hacker could put together with an Arduino board, a weekend and a little imagination. Google Reader Pedal: hacking a USB keyboard [Boing Boing] See Also: ...