SpeedyBee F405 Mini Flight Controller - 20x20

The SpeedyBee F405 Mini 20x20 Flight Controller is a testament to innovative drone technology, leveraging the advanced capabilities of the F405 chip, which outperforms its F411 counterpart. Integrated with a Bluetooth chip, it offers hassle-free wireless tuning via Betaflight, further enhancing the user experience.

• Upgraded F405 Chip offers superior performance compared to the F411, ensuring smoother flight controls.
• Integrated Bluetooth allows for easy wireless Betaflight tuning.
• 4-level Battery Voltage Display gives pilots a clear insight into battery health and usage.
• In-built Barometer provides valuable altitude data for varied flight modes.
• DJI Air Units Compatibility ensures a perfect match with all DJI Air Units for improved video transmission.
• 4 UART Ports expand interfacing options with diverse peripherals.
• Dual BEC Setup with dedicated 5V 2A and 9V 3A outputs supports various device power needs.

• MCU: STM32F405

• IMU(Gyro): ICM42688P

• USB Port Type: Type-C

• Barometer: Built-in

• OSD Chip: AT7456E chip

• BLE Bluetooth: Supported. Used to connect with the SpeedyBee App for flight controller and ESC parameter configuration. Please ensure the MSP switch on UART 4 is turned on and set to a baud rate of 115200. Otherwise, Bluetooth functionality will not be available.

• Wireless FC Firmware Flashing: NOT Supported. Please connect to the Betaflight configurator on the PC to do FC firmware update

• Wireless Blackbox Download & Analysis: NOT Supported. Please connect to the Betaflight configurator on the PC to do a black box analysis.

• WIFI: Not supported

• DJI Air Unit Connection Way: Direct soldering

• DJI Air Unit Compatibility: Compatible with all DJI Air Units: DJI O3/RunCam Link/Caddx Vista/DJI Air Unit V1. Please use the solder pads < 9V, G, T1, R1, G, SUBS(R2) > on the front right corner of the flight controller to make a pin-to-pin connection with the solder pads on the DJI Air Unit. UART1(T1, R1) is used for OSD, and SUBS(R2) is used for DJI Air Unit’s internal SBUS receiver signal input.

• Blackbox: 8MB Onboard Flash

• BetaFlight Camera Control Pad: Yes(CC pad on the front side)

• Current Sensor Input: Supported. For SpeedyBee BLS 35A V2 ESC, please set Scale=250 and Offset=-500.

• Power Input: 3-6S LiPo. The flight controller is powered through the G, V wires of the 8-pin harness or G, V pads from the bottom side of the flight controller.

• 5V Output: 4 groups of 5V output, three +5V pads and 1 BZ+ pad( used for Buzzer) on front side. The total current load is 2A.

• 9V Output: 1 group of 9V output, one +9V pad on front side. The total current load is 3A.

• 3.3V Output: Supported. Soldering pad named ‘3V3’ on the front top of the flight controller. Designed for 3.3V input receivers. Up to 500mA current load.

• 4.5V Output: Supported. Designed for radio receiver and GPS module even when the FC is powered through the USB port. Up to 1A current load.

• ESC Signal: M1 - M4 wires or soldering pads on the bottom side.

• UART: 6 sets(UART1, UART2, UART3, UART4(Dedicated for Bluetooth connection)), UART5(Dedicated for ESC telemetry),UART6

• ESC Telemetry: UART R5(UART5)

• I2C: Supported. DA & CL pads on the front side. Used for magnetometer, sonar, etc

• Traditional Betaflight LED Pad: Supported. 5V, G, and LED pads on the bottom of the front side. Used for WS2812 LEDs controlled by the Betaflight firmware.

• Buzzer: BZ+ and BZ- pad used for 5V Buzzer

• BOOT Button: Supported. Press and hold the BOOT button and power the FC on simultaneously, forcing the FC to enter DFU mode; this is for firmware flashing when the FC gets bricked.

• RSSI Input: Not Supported

• Smart Port / F.Port: Not Supported

• Supported Flight Controller Firmware BetaFlight(Default), INAV

• Firmware Target Name: SPEEDYBEEF405MINI

• Mounting: 20 x 20mm 3.5mm hole diameter, Compatible with M2 and M3 screws/Silicone grommets.

• Dimension: 30(L) x 32(W) x 7.8(H)mm

• Weight 9.6g

• 1x Speedybee F405 Mini 3-6S 20x20 Flight Controller