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 ...
The keyboard features 88 weighted keys with Yamaha’s GH3 (Graded Hammer 3) action, replicating the feel of an acoustic grand piano with a heavier touch in the lower register and a lighter feel in the ...