# Developer Quick Start STM32F407 firmware ```shell git clone --recurse-submodules https://github.com/rusefi/rusefi cd firmware make ``` virtual serial port PC application to send commands: [rusEFI Firmware bundle](https://rusefi.com/build_server/rusefi_bundle.zip) See also [ChibiOS](https://www.chibios.org/) ## GitHub Actions We rely on github actions heavily. We commit manual changes while github actions are commiting auto-generated stuff if needed. Note the green icon for happy continues integration, note commits by actions-user. ![image](https://github.com/rusefi/rusefi/assets/48498823/563b839a-b56b-4c88-a44d-3696c81e11a6) Make sure that your fork has Actions enabled: ![image](https://github.com/rusefi/rusefi/assets/48498823/c7752a3f-3278-45d7-86d3-1439e5571e56)