Pedalino: A smart, open source wireless MIDI foot controller for guitarists and more « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Arduino (Teensy) USB MIDI foot controller for Katana amps
New to Arduino, building an 8 button midi pedal. Any help appreciated ! - Project Guidance - Arduino Forum
GitHub - WinZs/Arduino-Midi-Controller-for-Digitech-Whammy-5-: Midi Controller with 4 footswitch for instant pedal mode change for Digitech Whammy 5
Popboard Arduino Bluetooth MIDI Foot Controller (video) - Geeky Gadgets