Speedy Bee

Communication between mobile devices and FC boards can be achieved through BLE/USB/ SpeedyBee WiFi, you can use mobile devices to set the parameters of the flight controller. Flight Controller Requirements: Betaflight firmware version ≥ 3. 2. 0. INav FC version ≥ 2. 0. 0. Butterflight firmware version ≥ 3. 1. 0. EmuFlight firmware version ≥ 0. 1.