Coda Effects - How to build your first DIY guitar pedal (step by step tutorial)
Let's Build a Simple Pedal - A Guitar Boost - Barbarach BC
A large online repository or library of guitar pedal schematics, layouts, PCB transfers, and tagboard layouts. All… | Diy guitar pedal, Tremolo pedal, Guitar pedals
From Schematic to Reality
Schematics | General Guitar Gadgets
Pedal effect circuit design: getting started - EDN