Dobrica Pavlinušić's random unstructured stuff
iCEBreaker: Revision 4
https://github.com/icebreaker-fpga/icebreaker iCE40UP5K interesting ice40 projects: usb analyzer
https://github.com/smunaut/iua usb audio device
part 1: https://youtu.be/4-JE2nZt0sk https://github.com/smunaut/ice40-playground/tree/master/projects/usb_audio |