Automatic Wah/Quack Effect Using LED+LDR Controlled Band-Pass Filter – Deeptronic
Arteffect Ulti-Wah Dual Inductors NOS PIO capacitors - POPULATED - Inductorless | eBay
Still waiting for switches and jacks from Tayda but so far everything is taking shape (Optical Volume/Inductorless Wah with a buffered input) : r/diypedals
The Inductorless Wah-Wah by jake rothman ColorSound - Audiofanzine