Seboar F405 12S Flight Controller BF
The Seboar F405 12S Flight Controller BF is a high-performance flight control board designed for FPV drones and professional UAV platforms.
Powered by the STM32F405 microcontroller and paired with the advanced ICM42688 IMU, the flight controller delivers stable sensor data and responsive flight performance.
The board supports a wide 3–12S input voltage range, making it suitable for a wide variety of drone builds, from freestyle FPV quads to industrial multirotor UAVs.
With multiple UART ports and onboard storage for Blackbox logging, the controller offers flexible expansion and detailed flight data analysis capabilities.
Typical applications include:
FPV racing drones
freestyle quadcopters
long-range FPV builds
industrial inspection drones
UAV research platforms
Key Features
High-Performance F405 Processor
The STM32F405 MCU provides fast computation and reliable flight control processing for modern drone firmware.
Advanced ICM42688 IMU
Equipped with a high-precision ICM42688 gyroscope and accelerometer, ensuring stable flight data and accurate motion sensing.
Wide Voltage Input Range
Supports 3–12S LiPo batteries, allowing the flight controller to be used across a wide range of drone power systems.
Dual BEC Power Outputs
Integrated BEC outputs supply stable power for external devices:
5V / 3A output
12V / 2.5A output
These outputs can power peripherals such as VTX modules, receivers, and cameras.
Flexible UART Expansion
The controller includes 6 UART ports, enabling connection of devices such as:
GPS modules
video transmitters
receivers
telemetry modules
This makes it easy to expand the drone system.
Product Specifications
General Specifications
| Parameter | Specification |
| Product Name | F405 12S Flight Controller BF |
| MCU | STM32F405 |
| IMU | ICM42688 |
| Firmware | Betaflight Compatible |
| Onboard Storage | 16MB Blackbox |
Electrical Parameters
| Parameter | Specification |
| Input Voltage | 3–12S LiPo |
| BEC Output 1 | 5V / 3A |
| BEC Output 2 | 12V / 2.5A |
Communication & Interfaces
| Parameter | Specification |
| UART Ports | 6 |
| Peripheral Support | GPS, VTX, Receiver, Telemetry |
| Blackbox Logging | Supported |
Mechanical Specifications
| Parameter | Specification |
| Mounting Pattern | 30.5 × 30.5 mm |
| Board Type | FPV Flight Controller |
Package Contents
| Item | Quantity |
| F405 12S Flight Controller BF | 1 |











