F405 Mini HD2 FPV Flight Controller Stack 20x20mm 35A 6S Betaflight INAV Compatible

F405 Mini HD2 FPV Flight Controller Stack 20x20mm 35A 6S Betaflight INAV Compatible Description

F405HD2 Mini Betaflight Flight Controller with KM35 35A 4in1 ESC Overview A compact, performance flight controller and 4in1 ESC combination designed for 36S LiPo FPV builds. Built for reliable soldering, flexible mounting, and broad firmware and receiver compatibility, this kit suits racing, freestyle, and HD video setups that require a lightweight, robust power and control solution. Key benefits processing power and modern IMU for responsive flight control: STM32F405RGT6 at 168 MHz with BMI270 IMU provides stable sensor data and lowlatency processing. Extensive I O and OSD support: six hardware UARTs and Betaflight OSD plus HD OSD support on UART6 make adding video, telemetry, and peripherals straightforward. Easier assembly and maintenance: extralarge solder pads with generous spacing reduce solder bridges and speed build time; ESC connector mounted on the side allows easier access. Flexible mounting and protection: hybrid M3 and M2 mounting support, TVS diode for reverse polarity and voltage spike suppression, and dedicated pads for buzzer and current sensing. Compact power delivery: onboard BEC options and a matched 4in1 ESC rated for sustained 35A per motor support a wide range of motors and propellers. Flight controller specifications and features Model: F405HD2 Mini Betaflight Flight Controller Input voltage: 36S LiPo (11.1 V to 22.2 V) MCU: STM32F405RGT6, 168 MHz IMU: BMI270 OSD: Betaflight OSD and HD OSD support on UART6 UARTs: 6 hardware UARTs (UART1 through UART6) Receiver compatibility: TBS, PPM, SBUS, IBUS, DSM Barometer: Yes Buzzer pad: Yes Current sensing pad: Yes BEC outputs: 5 V 2 A and 10 V 2 A (10 V output up to 3 A) Blackbox storage: 16 MB Firmware compatibility: Betaflight and INAV compatible; supports F405HD firmware images Mounting holes: 20 mm spacing; compatible with M2 or M3 hardware Weight: 4.8 g Additional boardlevel design: oversized solder pads for reliable soldering, pad layout optimized for neat twisted wiring to camera, VTX and RX; bottomside connector placement for HD video modules. KM35 4in1 ESC specifications and features Model: KM35 35A 4in1 ESC Input voltage: 36S LiPo Continuous current: 35 A per motor Peak current: 45 A burst (10 seconds or greater) Firmware: BLHeli_S Protocol support: DShot 300 and DShot 600 Mounting holes: 20 x 20 mm, M3 BEC: No on ESC (flight controller provides regulated outputs) Size: 31 x 36 x 3.9 mm Weight: 7.8 g Design note: ESC connector positioned on side for easier replacement and. Practical advantages Faster builds and cleaner wiring: large, wellspaced pads and an organized pad layout make soldering camera, VTX, and RX leads neater and reduce rework. Easy repairs and upgrades: side ESC connector and compact 20 x 20 mounting simplify swapping components and servicing a crashdamaged board. Versatile power handling: supports 36S setups and sustained 35 A motor currents for a wide range of racing and freestyle motor/propeller combinations. Firmware flexibility: ready for Betaflight and INAV configurations, with BLHeli_S support on the ESC for common ESC tuning and protocol options. Suggested applications 5 to 6S freestyle or race quad: Use the speed MCU, BMI270 IMU, and 35 A ESC capacity for responsive control and aggressive throttle authority. HD video FPV builds: Integrate compatible HD OSD on UART6 and use the bottomside HD connector for clean HD camera and VTX installation. Lightweight cinematic rigs: Small size, low weight, and compact ESC make this kit suitable for agile cinewhoops or small digital HD setups where space and weight matter. Package contents 1 x F405HD2 Mini Betaflight Flight Controller 1 x KM35 35A 36S 20x20 4in1 ESC This controller and ESC pair provides a compact, serviceable, and firmwareflexible foundation for modern 36S FPV drones, balancing soldering convenience, repairability, and power handling for racing, freestyle, and HD video applications.