[CHECK YOUR PCB REVISION, 0.85 and 0.9 has different components values, use the appropiate ones!]
OPL2 Based Generative Drum Machine
User manual, schematics and interactive BOM (IBOM) available.
To see the BOM, click on ibom0.85.rar, then click in Download(button at the right) to donwload the .rar file. Extract it and open in your browser.
You can get PCBs, kits and fully assembled units here:
https://www.etsy.com/es/shop/SphericalSound?ref=simple-shop-header-name&listing_id=832917003
And here:
https://www.tindie.com/stores/jc2046/
New: Added a quick build guide