Betaflight
Betaflight is the dominant open-source flight controller firmware for high-performance FPV and racing multirotor drones, known for its advanced PID tuning, blackbox logging, and extensive customization capabilities. As a hard skill it requires understanding the Betaflight Configurator interface, tuning rate and filter settings for the specific motor and propeller combination, and interpreting blackbox log data to diagnose oscillation and prop wash. Design engineers and hobbyists apply Betaflight when building FPV systems for sports racing, agile inspection platforms, and research drones where the low-latency control loop and tuning transparency outperform general-purpose autopilot firmware.
