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 ...

A MIDI keyboard allows you to easily play a variety of instruments ... allowing you to control a range of parameters within your DAW, and providing an easy-to-use interface for making digital music.

This MIDI keyboard, for example, is small enough that it will fit in the space of a standard business card which would have been an impossibility with the technology available when MIDI first ...