Great pedal building guides from Tonefiend – DIY CLUB.
- Breadboarding a Bad-Ass Distortion Circuit 1/4 (.pdf)
- Controlling and Modding a Badass Distortion Circuit 2/4 (.pdf)
- Transferring Your Distortion Circuit To Perfboard 3/4 (.pdf)
- Boxing and Finishing the Project 4/4 (.pdf)
10min dirt pedal – Optional modifications & Beginners breadboardin tutorial from Diy guitar pedals.
Fuzz for a Fiver (video) & photo tutorial a 5€ project by Dan Peartree.
A complicated build Build your own DS-1 distortion (.pdf) from Diystompboxes.com
A detailed guide with easy schematics Build Your Own Tricked-Out Electra Distortion by Nicholas Kula (2016).
Foot-switch wiring for Guitar Pedals (.pdf) madbeanpedals.
Detail and electrical theory Design Your Own Distortion by Rikupetteri Salminen.
Computer aided alternatives Electrosmash.com (digital multi-effects).