The open-source nature of the project also means that you can modify and expand upon the design to suit your requirements. “TheMIDInator is a MIDI controller based on an Arduino MEGA 2560.

Its USB MIDI functionality makes it a perfect candidate for such a build, and it also packs enough digital IO to run the AY-3-8910, with 13 lines required to get things going.

Arduino has been used to control a stepper motor driver a MIDI interface, scanner parts and basic keyboard to great effect, check out the video below to learn more. Watch this video on YouTube.

For instance, Adafruit has provided the files needed for the ESP8266, which recently received the Arduino treatment.