F405 AIO 40A Flight Controller 3-6S 4 in 1 ESC FC Combo 25.5x25.5 Compatible with O3 Air Unit FPV Drone Combo for Quadcopter Fixed Wing and Drone Wireless Tuning Flagship Gyro, Rock-Solid Flight: ICM-42688P gyro with dedicated LDO power (ultra-low 1.3mV ripple); upgraded hardware filtering boosts anti-interference by 30%; delivers unwavering stability in extreme conditions 40A×4 ESC, Dominant Power: 160A continuous / 180A peak total output; onboard TVS diode + Rubycon HF capacitors; effortlessly powers 2-4 inches drones & lightweight 5 inche; compatible with 1002-2104 motors STM32F405 Powerhouse; Full Compatibility: 168MHz CPU + 1MB Flash; handles complex algorithms smoothly Wireless Tuning 2.0, Ditch the PC: Bluetooth app enables: No-disassembly DFU (virtual BOOT button); firmware updates; motor direction changes; LED control; doubles tuning efficiency All-Interface 33mm Mini Beast: Plug-and-play; rich pads: 4x UART; 3x 5V; 2x 4.5V; magnetometer/LED/buzzer; GPS-ready; 30% larger pads + 20% smaller size (33×33×8mm); max build-friendliness 16-Piece Pro Builder Kit: Soldering practice board (with tutorial); adjustable 5V/9V BEC; Type-C extension + PDB board; DJI adapter cable + HF capacitors; transforms beginners into experts Cooling Tech and Precision Alt-Hold: CNC aluminum heatsink + 0.5% accuracy barometer; sustains full 40A×4 output without throttling; ±0.25m altitude hold error; exceptional stability in aggressive hot flights