Introducing the SpeedyBee F745 Flight Controller

The SpeedyBee Flight Controller is the latest product to hit the drone market, and it's making waves with its impressive features and capabilities. With a launching price of $129.99, this flight controller is an affordable option for both hobbyists and professionals alike. The estimated launching date of the SpeedyBee F745 is mid-April 2023. The F745 Flight Controller is designed for use with drones, and it offers exceptional performance and stability. Its compact size and lightweight design make it the perfect choice for drones of all sizes, from small racing drones to larger camera drones.

Detailed Specifications of F745 Flight Controller

Feature Category	Details
Product Name	SpeedyBee F745 35A BL_S AIO
Power Input	3-6S Li-po
Mounting	25.5 x 25.5mm, 3mm hole diameter
Dimension	36.5mm(L) x 36.5mm(W) x 7mm(H), recommended for quads at 3.5" or above
Weight	10.1g
FC (Flight Controller)	STM32F745
MCU	MPU6000
IMU/Gyro
USB Connection	Need to solder a USB TYPE-C module to D+, D-, GND pads.
Barometer	BMP280
OSD	Supported
BLE Bluetooth	Supported. Used for parameter configuration
Flash FC Firmware Wirelessly	Supported
Download/Analyze Blackbox	Supported
DJI Air Unit 6-pin Connector	Built-in
Flash (for BlackBox)	8MB
Current Sensor	Scale-256
BetaFlight Camera Control Pad	Yes (C pad)
5V Output	4 groups of 5V output. The total current load is 2.5A.
9V Output	None
3.3V Output	Supported. Up to 500mA current load.
ESC Signal Pads	M1 - M4
UART	Full UART * 4(UART1, UART2, UART3,UART4)
ESC Telemetry UART	None
I2C	Supported
LED Pad	Used for WS2812 LED
Buzzer Button	BZ+ and BZ- pad used for 5V Buzzer
BOOT Button	Used to enter DFU mode
RSSI Input	Not supported
SmartPort	Use any TX pad of UART for the SmartPort feature.
Supported Flight Controller	BetaFlight(Default)
Firmware Target Name	SPEEDYBEE F745 AIO
ESC
Power Input	3-6S Li-po
Continuous Current	35A * 4
Burst Current	45A(10s)
ESC Protocol	DSHOT300/600
Power Output	VBAT
Current Sensor	Supported(Scale-256)
Firmware	BLHeli_S JH40

The SpeedyBee F745 Flight Controller boasts some impressive specifications, including

F745 STM32F745 Cortex-M7 Processor
16M Flash Memory
Built-in 5V BEC
MPU6000 Gyroscope and Accelerometer
Betaflight OSD
6 UART Ports
2.4G/5.8G Receiver Support
3-6S Battery Input These specifications make the SpeedyBee Flight Controller one of the most powerful and versatile flight controllers on the market.

Description of SpeedyBee F745

The SpeedyBee Flight Controller is a high-performance flight controller that offers exceptional stability and responsiveness. Its F745 STM32F745 Cortex-M7 Processor provides lightning-fast processing capabilities, while its MPU6000 Gyroscope and Accelerometer ensure accurate and precise flight control. The F745 Flight Controller also features a built-in 5V BEC, which provides a stable power supply to the drone's other components. Additionally, it includes a Betaflight OSD, which allows users to customize and display important flight data on their FPV goggles.

Dimensions of SpeedyBee F745 Flight Controller

Package of SpeedyBee Flight Controller

SpeedyBee F745 35A BLS AIO x 1
35V 470uF Capacitor x 1
XT30 Power Cable(Length: 7cm) x 1
6pin DJI Air Unit cable x 1
External USB Port module(Wire Length: 5mm) x 1
M2(Diameter) * 12mm(Length) Screw x 5
M2(Hole Diameter) * 6.6mm(Height) Anti-vibration Silicone Grommets x 5 M2 Silicone O-Ring x 5
M2 Nylon Hex Nut x 5
Manual & App Download Card x 1

Layout of SpeedyBee F745

LED Indicator Definition

GREEN LED: Solid Green indicates Bluetooth is connected.
BLUE LED: Flight controller status light which is controlled by the flight controller firmware.

BOOT Button
Only if the ﬂight controller gets bricked , please follow these steps to re-ﬂash ﬁrmware for it

Hold the BOOT button (the only button on the FC), and power to FC at the same time, then the FC will enter DFU mode.
Open the SpeedyBee app, go to the FC Firmware Flashing page, and perform the Firmware Flashing as prompted.

Flight Controller of F745 Flight Controller

Wiring Diagram

App of SpeedyBee Flight Controller

Get the SpeedyBee App
Search ‘SpeedyBee’ on Google Play or App Store. Or download the Android .apk file on our website: https://www.speedybee.com/download

Connect the App

FC Firmware Update

speedybee_fc_firmware_update_f745_flight_controller.png

BlackBox Analyzer

ESC OF SpeedyBee Flight Controller

Connection with Motors & Power Cable

Note: In order to prevent the AIO from being burnt out instantaneous voltage spikes on powering up, it is strongly recommended to use the Low ESR capacitor in the package.

ESC Conﬁguration

ESC Firmware Update

You could ﬂash both BLHeli_S and Blue Jay ﬁrmware for this ESC.
You need to pulg in the battery to the AIO and then connect a USB cable between the AIO and your PC. Then ﬂash ESC ﬁrmware (BLHeli_S or Blue Jay) in the following online conﬁgurator: https://esc-conﬁgurator.com/
Note: ESC Type should be set as 'J-H-40'.

speedybee_esc_firmware_update_f745_flight_controller.png

speedybee_f745_flight_esc_firmware_update_controller.png

Troubleshooting of the F745 Flight Controller

Here are some common problems and solutions for the F745 Flight Controller

Problem: The drone is not arming or flying properly.
Solution: Check the wiring and connections to ensure they are secure. Also, check the settings in the Betaflight software to ensure they are correct.
Problem: Interference with other devices.
Solution: Make sure the 2.4G/5.8G receiver is properly shielded, and avoid using other devices that may interfere with the drone's signal.
Problem: The flight controller is overheating.
Solution: Check the cooling system to ensure it is functioning properly. Also, avoid flying in extreme temperatures.

Pros & Cons of SpeedyBee Flight Controller

Pros

Powerful and versatile F745 STM32F745 Cortex-M7 Processor
MPU6000 Gyroscope and Accelerometer for accurate and precise flight control
Built-in 5V BEC for stable power supply * Betaflight OSD for customizable flight data display
6 UART Ports and 2.4G/5.8G Receiver Support

Cons

May be too advanced for beginners
The cooling system may require additional attention

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