This repo contains StereoPi schematics in KiCad. Originally, all schematics have been created in Altium, and now we're in the process of porting them to KiCad.
Special thanks to Twitter user @Knochi
This man has achieved the gargantuan feat of drawing the first edition of our KiCad schematic from scratch!
Yes, this project is Open Source, and has been succesfully crowdfunded here: https://www.crowdsupply.com/virt2real/stereopi