nucleo-f042k6 contains a basic board support packet for the fabulous [STM Nucleo-F042K6][] microcontroller board to write firmwares using Rust. This standard format board 1 user programmable LED as well as "Arduino Nano" headers which can be used to connect peripherals. It also contains a (non-removable, unlike the bigger Nucleo boards) capable ST-Link V2 debugging interface, so all that one needs to get going with progamming this device is: