George Dennis
Simple optical compressor
Solar Lifeforce (LDR volume pedal) schematic | 0xd FX
Optical Theremin | Synthrotek
The Tone God - Rock N' Control
Optical Tremolo 2.0 - Make:
AMT LLM-2 ZERO - Optical Volume Pedal - Optical Volume Pedal
Tel Ray Morley VOL optical volume pedal 1970's Chrome w/Original Box and Manual | Reverb
Amazon.com: EarthQuaker Devices The Depths Optical Vibe Circuit Effects Pedal : Musical Instruments
the tremolo effect: origins, mechanisms and improvements! | Anasounds
Ken Shirriff's blog: February 2022
Volume pedal | Guitar pedals, Diy guitar pedal, Guitar diy
The Morley History – Morley
Volume Pedals | Ernie Ball
the tremolo effect: origins, mechanisms and improvements! | Anasounds
The Technology of Wah Pedals
Guitar Swell Pedal Circuit
Ultra Simple Tremolo (schematic and video) ///LeylandPedals : r/diypedals
Two StompLFO projects: Mini Tremolo – Electric Druid
THIS IS NOT MUSIC — sean ashcraft — electronics — custom pedals
DIY Lightspeed Attenuator - Passive LDR Volume Control (optocouplers)
The Technology of Wah Pedals
Manual for Morley Little Alligator Volume Pedal
Morley 20/20 Volume Plus Volume Pedal | Sweetwater
