ISD1820 Audio processing thingy

[Dud]

I add this ISD1820 related post

Looper / sampler isd1820 (Lo-fi)

Easy and cheap Looper with a ISD1820 chip (Lo Fi) I bought this small module for few € and made some modifications [71ZWIs2LkhL.AC_SY355] the first modification was to remove the resistance R4 and replace it with a potentiometer of 100k to manage the Pitch of the recording (Possibility depending on the position of the pitch to record about 20 seconds, and can not record in pitch position too high ! ) with the plugs (or there is a jumper) by soldering a switch you can select One shot (gate/…