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
Developing Crybaby guitar wah effect based on Integrated Circuits - Tekerés közben
Sola Sound Colorsound Inductorless Wah Wah Black | Reverb
POTD No.3 Inductorless Wah - YouTube
Colorsound inductorless wah : r/pedalcircuits
beavis audio research
Colorsound Inductorless Wah Wah Pedal (used)
Inductorless Wah With Op Amp | PDF
Automatic Wah/Quack Effect Using LED+LDR Controlled Band-Pass Filter – Deeptronic
Another Inductorless Wah, now with Sallen-Key filter
The Inductorless Wah-Wah by jake rothman ColorSound - Audiofanzine
Another Stab at Explaining the Wah -- And an interesting inductorless wah
Arteffect Ulti-Wah Dual Inductors NOS PIO capacitors - POPULATED - Inductorless | eBay