This Is The Delay Pedal You Can Build Yourself | Hackaday
DIY 4 Second Digital Delay – Electric Druid
Classic Delay – Build Your Own Clone
PT2399 Delay Pedals - How do they work? - YouTube
How to Make a Digital Delay Circuit / PT2399 Echo - YouTube
PT2399 Delay Project - The TweakTone Delay - EffDub Audio
Guitar FX Layouts: Crap-Fi Delay
DIY 4 Second Digital Delay – Electric Druid
How to Significantly Improve a Simple PT2399 Delay Circuit | Circuit Salad
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. :
Two StompLFO projects: Mod Delay – Electric Druid
True Bypass Electric Guitar Delay Pedal with 9V Turkey | Ubuy
AMZ-FX Guitar Effects Blog » Blog Archive Delay pedal (prototype) - AMZ-FX Guitar Effects Blog