Complied via "PlatformIO with Atom" => http://marlinfw.org/docs/basics/install_platformio.html BIQU SKR: https://www.biqu.equipment/collections/control-board-kits/products/bigtreetech-skr-v1-1-motherboard-32-bit-smoothieboard-arm-cpu-control-board-open-source-for-tft3-5-printer-pannel [ Just linked this as reference - ordered mine via Aliexpress. ;-) ]