SpeedyBee F405 V3 30x30 Flight Controller
The SpeedyBee F405 V3 is a 30x30mm flight controller built around the STM32F405 MCU and BMI270 IMU, designed for high-performance FPV racing and freestyle drones. It features a dedicated DJI Air Unit connector, integrated barometer, and robust power regulation for stable 4S-6S LiPo operation.
Features
- STM32F405 MCU with ARM Cortex-M4 core for high-speed flight control processing.
- BMI270 IMU (Gyro) for precise and responsive flight dynamics.
- Integrated AT7456E OSD chip and built-in barometer for real-time telemetry and altitude hold.
- Dedicated 6-pin connector for DJI O3 Air Unit, CaddxFPV Vista, and RunCam Link compatibility.
- Dual BEC power supply with 9V/2A and 5V/2A outputs for clean power to peripherals.
Out of stock
The SpeedyBee F405 V3 Flight Controller is engineered for pilots demanding reliability and advanced features in a compact 30x30mm form factor. Its STM32F405 microcontroller provides the computational headroom for complex flight algorithms, while the BMI270 gyro ensures low-noise, high-fidelity attitude data critical for acrobatic maneuvers and stable cruising.
Electrical design prioritizes clean power delivery with isolated 9V and 5V BEC circuits, minimizing noise interference for video transmitters and cameras. The board includes four UART serial ports for flexible integration of receivers, GPS modules, VTXs, and telemetry systems, supporting both Betaflight and ArduPilot firmware ecosystems for versatile application across racing, freestyle, and cinematic drone platforms.
Additional Information
| Weight | 0.064 kg |
|---|---|
| Dimensions | 12 × 6 × 3 cm |














