Eurorack delay into delay pedal. Circuit mod? - MOD WIGGLER
ElectroSmash - Time Manipulator: Arduino Delay/Echo/Reverb Guitar Pedal
pcb design - Comparator on an op-amp in a PT2399 delay pedal - Electrical Engineering Stack Exchange
Boss DD-2 Digital Delay Guitar Pedal Schematic Diagram | Guitar pedals, Diy guitar pedal, Delay pedal
Guitar FX Layouts: Crap-Fi Delay
Diy guitar pedal, Electronics mini projects, Guitar pedals
Guitar FX Layouts: Mad Professor Deep Blue Delay
Made a delay pedal using the ”PT2399” chip. The delay is pretty simple as of now, but I'm still working on it as well as maybe adding an atmega328(Arduino) to it. :
This Is The Delay Pedal You Can Build Yourself | Hackaday
How To Make A DIY Guitar Delay Pedal - YouTube
DIY Reverb Pedal Circuit: Spring-Hall Reverb with PT2399 IC – Deeptronic