This the KiCAD design of a Eurorack mixer module with 4 inputs.
Full writeup here: https://www.robotdialogs.com/2022/09/eurorack-41-mixer-module.html
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. https://creativecommons.org/licenses/by-nc-sa/4.0/