The SpeedyBee F405 AIO 40A Flight Controller is a strong addition to the FPV world, providing a compact but feature-rich package deal for two″ to five″ FPV drones. Lately, I reviewed the SpeedyBee Bee25, a cinewhoop powered by this very board, and its efficiency left a long-lasting impression. At this time, we’ll dive into what makes the SpeedyBee F405 AIO stand out, its options, and whether or not it’s the proper selection on your subsequent construct.
Find out about flight controllers in our purchaser’s information: https://oscarliang.com/flight-controller/
The place to Purchase
You will get the SpeedyBee F405 AIO FC from:
The package comes with helpful equipment:
- USB-C Extension Board: Permits quick access to the USB port when the board is mounted contained in the body.
- LED Strip Energy Distribution Board: Simplifies connecting a number of LED strips.
- Exterior BEC: Supreme for powering VTX or different peripherals in a 6S setup.
- {Hardware}: Contains screws, additional grommets, and a big capacitor.
- Soldering Apply Board: Excellent for inexperienced persons trying to hone their soldering abilities earlier than engaged on the flight controller.
Specs
FC Specs:
- MCU: STM32F405
- Gyro: ICM-42688P
- USB Port Kind: Kind-C
- Barometer: SPA06-003
- OSD: Supported
- Bluetooth: Supported
- Wi-fi Firmware Replace: Supported (no have to press the bodily BOOT button)
- Wi-fi Blackbox Evaluation: Not supported
- DJI Air Unit Connection:
- Helps 6-pin direct insertion and soldering
- Suitable with DJI O3/RunCam Hyperlink/Caddx Vista with out altering wire order
- Flash (Blackbox): 8MB
- Betaflight CC Pads (Digicam Parameter Adjustment): Supported
- Enter Voltage: 3S-6S LiPo battery
- 4V5 Output: Two outputs, complete 1A
- 5V BEC Output: Three outputs, complete 2A (shared with 4V5)
- 9V BEC Output: None (exterior BEC module included, switchable between 5V and 9V; complete 2A output)
- Motor Pads: M1-M4
- UART Ports:
- 4 full-function UARTs (UART3, UART4, UART5, UART6)
- SBUS (R2)
- ESC Telemetry: Not supported
- I2C: Supported
- LED Pads: Supported (for WS2812 LED management)
- Buzzer Pads: Supported (BZ+ and BZ- pads)
- BOOT Button: Supported (for DFU mode and firmware restoration)
- RSSI Pads: None
- SmartPort: Not supported
- Supported Firmware:
- BetaFlight (Default)
- INAV
- Firmware Goal Identify: SPEEDYBEE F405AIO
- Mounting: 25.5 x 25.5mm, 2mm gap diameter
- Dimensions: 33.0mm x 33.0mm x 8mm
- Weight: 13.6g (together with CNC)
ESC Specs:
- Enter Voltage: 3-6S LiPo battery
- Steady Present: 40A
- Burst Present: 45A (10 seconds)
- ESC Protocol: Helps DSHOT600/300 (use different protocols with warning)
- Output Voltage: VBAT battery voltage (to energy the flight controller)
- Present Sensor: Supported (Scale = 254, Offset = 0)
- Firmware: Bluejay JH-40, 48kHz
Design and Construct High quality
The SpeedyBee F405 AIO has a definite look, with massive purple heatsinks on either side of the board. These aren’t simply aesthetic—they enhance cooling and supply added bodily safety in crashes. The premium purple end makes the board stand out in comparison with the extra frequent black or inexperienced PCBs.
Regardless of its compact measurement of 33x33mm, the F405 AIO packs a punch. It’s sufficiently small for two″ builds, and it helps currents as much as 40A, making it additionally appropriate for as much as 5-inch builds, offered you’re not pushing the motors to their absolute limits. The flight controller has built-in 5V 2A BEC and a 9V 2A BEC, that are good for powering LEDs, VTXs, and cameras. Moreover, its 25.5×25.5mm mounting holes make it suitable with a variety of frames.
Weight and Dimension Issues
Weighing 13.4 grams, the F405 AIO is barely heavier than different AIO boards with comparable specs, which normally weigh round 9 grams. The extra weight comes primarily from the heatsinks, including round 3-4 grams. Whereas this gained’t impression cinewhoops or 5-inch FPV drones considerably, it could possibly be a priority for ultra-light or sub-250g builds, the place each gram issues.
One other consideration is its thickness. At 8mm, it’s thicker than most AIO boards, which may have an effect on compatibility with compact frames. Be conscious of the FC top when changing one other AIO flight controller, because it won’t match all builds.
Whereas the warmth sinks improve sturdiness and cooling, additionally they cowl many inside parts, making it tougher to determine sure pads. Fortunately, the included quick-start information is complete and extremely helpful. Maintain it useful for soldering or troubleshooting.
Key Options
ESC Amp Ranking
The SpeedyBee F405 AIO includes a 40A 4in1 ESC, greater than sufficient for the common 5-inch or smaller builds. The ESC comes pre-flashed with BlueJay firmware, supporting DShot300 and DShot600 protocols, enabling clean motor efficiency and exact flight controls. Massive motor pads make soldering easy, even for inexperienced persons.
4 UARTs
This flight controller presents 4 full UARTs for connecting peripherals equivalent to GPS, ExpressLRS/Crossfire receivers, VTX, and extra. There’s even an I2C connection, which is ideal for exterior compasses—ultimate for iNav customers or these wanting so as to add extra superior navigation options.
Built-in Bluetooth
Similar to SpeedyBee’s different flight controllers, Bluetooth is obtainable on this board. Paired with the SpeedyBee app, you possibly can wirelessly configure Betaflight settings, replace firmware, and even flash the board—no laptop computer required.
USB-C Extension
One of the vital considerate options is the USB-C extension board. Whereas the FC has an onboard USB-C port, the breakout pads help you join an exterior USB port and place it in a extra accessible location inside your body. That is significantly useful for cinewhoops with enclosed frames.
Built-in Blackbox Logging
For these operating analog setups, the onboard OSD chip will show all of the very important flight knowledge proper in your goggles. The board additionally options 8MB of Blackbox storage, which is crucial for tuning your quad.
5V and 9V Twin BEC
The F405 AIO has twin BECs—a 5V 2A for powering your receiver and different 5V units, and a 9V 2A particularly on your VTX. That is good for builds operating digital techniques just like the DJI O3 Air Unit, making certain secure energy supply even below heavy masses.
Equipment
The LED Pad Breakout Board makes soldering a number of LED strips simpler by splitting the LED sign into 4 particular person pads.
If the onboard BEC’s aren’t sufficient, additionally they included an exterior BEC which presents 9V or 5V output for added energy.
Areas for Enchancment
Whereas the big purple warmth sinks enhance cooling and sturdiness, they’ve some downsides:
- Entry Points: The heatsinks partially cowl a number of pads and boot button, making troubleshooting and soldering more difficult.
- Weight: The added weight (4–5 grams) could possibly be a priority for ultra-light builds.
- Non-Detachable Design: The heatsinks are glued on, making them extraordinarily troublesome to take away.
- No iNav Help, but? Within the specs it says it helps each Betaflight and iNav, however I’ve but to seek out the goal for this flight controller within the firmware flasher. Possibly within the subsequent model?
Within the Speedybee Bee25 BNF Cinewhoop, they used this actual F405 AIO FC with out heatsinks. I want they provided this heatsink-free model as nicely for the weight-conscious builders. Or they may change the way in which these heatsinks are mounted, as an illustration, as a substitute of glue they may simply use a few small screws.
Closing Ideas
At simply $55, the SpeedyBee F405 AIO presents excellent worth, combining fashionable options with considerate design. Its Bluetooth integration, USB-C extension, and twin BECs make it one of the user-friendly AIO flight controllers obtainable as we speak. The high-quality construct and premium look, coupled with wonderful efficiency, set it aside in its value vary.
Whether or not you’re constructing a cinewhoop, a freestyle quad, or an iNav GPS drone, the SpeedyBee F405 AIO is a improbable selection. It’s ultimate for individuals who desire a stability of efficiency, reliability, and ease of use.
You will get the SpeedyBee F405 AIO FC from: