an arduino / atmega platform for making digital eurorack modules and various helper PCBs
based on on the CHEAP, FAT and OPEN synthesizer
arduino based eurorack module with dual channel DAC output
kind of works :)
this is a prototyping platform. you can make modules that looks like this
workshop description and assembly guides here
look in the rev3 folder. it's all old eagle stuff that i can't really open anymore, but it should possibly work?