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. :
DIY Delay Pedal PCB All Components Kit with 1590B Enclosure Black
Digital Delay Pedal : 19 Steps (with Pictures) - Instructables
Amazon.com: TTONE NEW DIY Electric Guitar Delay Analog Effect Pedals/Single Effects Pedal Guitar Kits ArmyGreen old version : Musical Instruments
Deep Blue Delay Pedal – dada beatnik
Amazon.com: LANDTONE DIY Delay Analog Pedal and Sky Blue 1590B Case : Musical Instruments
Guitar FX Layouts: Crap-Fi Delay
Landtone Delay kit. No idea where I'm going wrong. It just isn't working. First pedal I've built, so it's probably something stupid. Help!! : r/diypedals
Ebay DIY delay pedal mod to fix volume drop problem
Building a Tri-Effect Guitar Pedal - Circuit Cellar
AMZ-FX Guitar Effects Blog » Blog Archive Delay pedal (prototype) - AMZ-FX Guitar Effects Blog
DIY 4 Second Digital Delay – Electric Druid
DIY 4 Second Digital Delay – Electric Druid
Digital Delay Pedal : 19 Steps (with Pictures) - Instructables
The Valve Wizard
MASSIVE DIY DELAY PEDAL - YouTube
DIY Delay Guitar Effects Pedal Kits With 1590B And ICPT2399,TL072CP Pedal Kits
Time Manipulator Is an Arduino-Based DIY Time Delay Guitar Pedal - Hackster.io