The flight controller is the brain of your FPV drone, processing sensor data and translating your stick inputs into precise motor commands. A good flight controller runs Betaflight or other open-source firmware and supports features like GPS rescue, OSD, and blackbox logging. Browse our selection of FPV flight controllers at FPVdrones.eu, including F4, F7, and H7 processors, suitable for micro builds, 5-inch quads, and long-range drones.