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 Reverb Pedal Circuit: Spring-Hall Reverb with PT2399 IC – Deeptronic
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DIGITAL DELAY | Esquemas eletrônicos, Circuito eletrônico, Pedais de guitarra