iCEstick-UART-Demo Prerequisites Yosys nextpnr IceStorm Building git clone https://github.com/cyrozap/iCEstick-UART-Demo.git cd iCEstick-UART-Demo git submodule update --init make Flashing Plug in your iCEstick, then run make flash. Depending on your permissions, you may need to run it with sudo.