Building a MIDI device is always a great microcontroller project, and nearly everyone has an old ... toy keyboards and build a MIDI keyboard. The keyboard [JenShen] used was a simple Casio ...
Beginner keyboard? Yes, but the truth is that Casio's brilliant CT-S1 is essentially a portable digital piano. So. not only is it a great 'first keyboard', but it's also a good one for more ...