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Boss DD-2 Digital Delay Guitar Pedal Schematic Diagram | PDF | Power Supply | Electrical Engineering
![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. : 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. :](https://i.redd.it/gdn5eyrrpnl51.jpg)
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. :
![pcb design - Comparator on an op-amp in a PT2399 delay pedal - Electrical Engineering Stack Exchange pcb design - Comparator on an op-amp in a PT2399 delay pedal - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/gYXSy.gif)