the MIDI in port has an optoisolator. As for what you can do with a tiny little game console connected to MIDI, there are already a few choice apps — the MIDI Chords app creates chords ...

Building a MIDI device is always a great microcontroller project, and nearly everyone has an old toy keyboard lying around in the back of a closet or in the basement. [JenShen] decided to take one ...

Released in 2008, Korg’s original NanoKey MIDI keyboard spawned a slew of imitations. A low-profile, super-portable 25-note controller, it sold, we suspect, by the bucketload.