SpeedyBee F405 AIO 40A Bluejay 25.5×25.5 3-6S Flight Controller

The SpeedyBee F405 AIO 40A Bluejay is a compact, high-performance All-In-One (AIO) flight controller and ESC designed for tight drone builds, featuring a standard 25.5 x 25.5mm mounting pattern and 3–6S LiPo support.

• Wireless Configuration: Features built-in Bluetooth (BLE 2.0) for wireless firmware updates and parameter tuning via the SpeedyBee app, eliminating the need for a physical boot button for most recovery tasks.
• Bluejay Firmware: Comes pre-installed with Bluejay JH-40 48kHz firmware, ensuring smooth motor performance and supporting bidirectional DShot for advanced filtering.
• Digital Integration: Specifically designed for digital FPV, featuring a 6-pin direct-insertion port for DJI O3, RunCam Link, and Caddx Vista systems, though it also supports traditional soldering.
• Improved Precision: Equipped with an upgraded SPA06-003 barometer and an ICM-42688P gyroscope for enhanced hardware filtering and altitude stability.
• Power Management: Includes a 5V/2A BEC and an external switching BEC module that can toggle between 5V and 9V at 2A to power various peripherals.

• MCU: STM32F405.
• Gyro/IMU: ICM-42688P (SPI).
• Barometer: SPA06-003.
• Continuous/Burst Current: 40A Continuous / 45A Burst (10s).
• Input Voltage: 3S–6S LiPo.
• UARTs: 4 full-function serial ports (UART3, UART4, UART5, UART6 + SBUS).
• Blackbox: 8MB onboard flash memory.
• USB Port: Type-C.
• Dimensions: 33.0 x 33.0 x 8.0mm.
• Weight: 13.6g (including CNC heatsink).
• Mounting Pattern: 25.5 x 25.5mm (2mm or 3mm hole diameter).