Analog delay circuit. | Download Scientific Diagram
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 under Repository-circuits -45230- : Next.gr
LEAP#339
Digital Delay
Digital Delay Pedal : 19 Steps (with Pictures) - Instructables
AMZ-FX Guitar Effects Blog » Blog Archive Delay pedal (prototype) - AMZ-FX Guitar Effects Blog
Guitar Effects Schematics & Projects
Boy in Well
ElectroSmash - Time Manipulator: Arduino Delay/Echo/Reverb Guitar Pedal
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. :
Digital Delay Pedal : 19 Steps (with Pictures) - Instructables