Stargazer Extended Techniques Chapter 1: Sticking Your Fingers in the Electrical Socket — MØFFENZEEF MØDULAR
Wah-wah pedal Morley PDW-II Pro Series Distortion/Wah/Volume Pedal Effects Processors & Pedals Morley Volume Plus PVO+ Morley Pla Steve Vai Little Alligator Optical Volume Pedal, Volume Of Distribution, electronics, sound, distortion png
Solar Lifeforce (LDR volume pedal) schematic | 0xd FX
Optical Theremin | Synthrotek
Two StompLFO projects: Mini Tremolo – Electric Druid
Implement FM Tone Lossless circuit board to a passive volume pedal - YouTube