Workshop DIY: So baust du ein analoges Delay für E-Gitarre - AMAZONA.de
Digital Delay Pedal : 19 Steps (with Pictures) - Instructables
DIGITAL DELAY | Esquemas eletrônicos, Circuito eletrônico, Pedais de guitarra
echoTrek - Digital Delay / Echo - Audio Effects with Arduino - Hackster.io
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 4 Second Digital Delay – Electric Druid
Digital Delay Pedal : 19 Steps (with Pictures) - Instructables
Boss DD-2 Digital Delay Guitar Pedal Schematic Diagram
10 Delay Pedals You Need to Check out - Premier Guitar
Digital Delay Pedal : 19 Steps (with Pictures) - Instructables