GitHub - BUT-DRONE-RESEARCH-CENTER/ESP32-Betaflight-Expansion-Board: An ESP32 PCB for standard flight stacks (FCU/ESC) to bypass firmware-level I/O constraints. It provides an independent control plane for servos, steppers, and LEDs via dedicated libraries and a web interface. This enables deterministic actuation of auxiliary payloads and external hardware without modifying core flight firmware.

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An ESP32 PCB for standard flight stacks (FCU/ESC) to bypass firmware-level I/O constraints. It provides an independent control plane for servos, steppers, and LEDs via dedicated libraries and a web interface. This enables deterministic actuation of auxiliary payloads and external hardware without modifying core flight firmware.