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pcb design - Comparator on an op-amp in a PT2399 delay pedal - Electrical Engineering Stack Exchange
Self-made analog delay pedal using BBD (BOSS DM-3 MOD)
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. :
How to design a basic overdrive pedal circuit - Wampler Pedals
Self-made analog delay pedal using BBD (BOSS DM-3 MOD)
Improved version of the original Rebote delay. | Diy guitar amp, Electronic circuit projects, Electronic circuit design
Boss DD-2 Digital Delay Guitar Pedal Schematic Diagram | PDF | Power Supply | Electrical Engineering