![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)
pcb design - Comparator on an op-amp in a PT2399 delay pedal - Electrical Engineering Stack Exchange
![Amazon.com: DIY Delay Guitar Effect Pedal All Kits With1590B And 3PDT 9PIN Switch : Musical Instruments Amazon.com: DIY Delay Guitar Effect Pedal All Kits With1590B And 3PDT 9PIN Switch : Musical Instruments](https://m.media-amazon.com/images/I/617E6ffiMaL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DIY Delay Guitar Effect Pedal All Kits With1590B And 3PDT 9PIN Switch : Musical Instruments
![Amazon.com: TTONE DIY Delay Analog Effect Pedals All Kits, Single Effects Pedal Kits : Musical Instruments Amazon.com: TTONE DIY Delay Analog Effect Pedals All Kits, Single Effects Pedal Kits : Musical Instruments](https://m.media-amazon.com/images/I/51h7NgDVdEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: TTONE DIY Delay Analog Effect Pedals All Kits, Single Effects Pedal Kits : Musical Instruments
![Bought this "analog delay" pedal from ebay 11 years ago for 45€. Can anyone understand what it is? : r/diypedals Bought this "analog delay" pedal from ebay 11 years ago for 45€. Can anyone understand what it is? : r/diypedals](https://i.redd.it/bought-this-analog-delay-pedal-from-ebay-11-years-ago-for-v0-ovwsvhbo4oea1.jpg?width=960&format=pjpg&auto=webp&s=0dd685ec1baad9675af6d2329bbf35ac916c3f0b)