Arduino DUE Guitar Pedal - Open Hardware. : 5 Steps (with Pictures) - Instructables
Arduino MEGA Guitar Pedal - Hackster.io
Stomp Shield for Arduino | Open Music Labs
Stomping On Microcontrollers: Arduino Mega Guitar Effects Pedal | Hackaday
Arduino UNO Guitar Pedal - Hackster.io
Rock'n Repair Shop - Just finished assembling and testing this Arduino 'Pedal Shield' for a client! This open source hardware project enables you to program your own guitar effects all using the
ElectroSmash - pedalSHIELD MEGA Arduino Guitar Pedal.
pedalSHIELD MEGA is a programmable guitar pedal for your Arduino | Arduino Blog