Using a Raspberry PI 3 as an effects pedal for Guitar and Synth (SynthV1, Casio MG-510, Yamaha EX5) - YouTube
Raspberry Pi + PiSound soundcard, trying to build it into a guitar kit so I can play with all the effects I want straight into any speaker available : r/guitars
New One Control Raspberry Booster Guitar Effects Pedal | Reverb
My first Pi project: a multi-effect guitar pedal (details and video demo in comment) : r/raspberry_pi
Updated: Pi-FX : A Raspberry Pi-Based Pedal Board | by Anthony Tippy @Tibbbbz | Medium
Raspberry Pi Restores Guitar Amp, Complete With Effects | Tom's Hardware
New One Control Raspberry Booster Guitar Effect Pedal 818996012637 | eBay
Raspberry Pi Crazy Guitar Rig Turns You Into A Hard 'N Heavy One-Man Band | Hackaday
pi-stomp_core []
Tindie Blog | Raspberry Pi Powered Multi-Effects Pedal!
pi-Stomp! A Hi-Def Multi-FX Platform for Guitar | Hackaday.io
Pi-Stomp: Raspberry Pi-powered multi-effects | The Gear Page