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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 make sure 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 firmeare update
Wireless Blackbox Dwonload & Analysis    NOT Supported. Please connect to the Betaflight configurator on the PC to do blackbox 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 8pin 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 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 front side. Used for magnetometer, sonar, etc
Traditional Betaflight LED Pad    Supported. 5V, G and LED pads on 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 BOOT button and power the FC on at the same time will force 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
ProductName    SpeedyBee 35A BLHeli_S Mini V2 4-in-1 ESC
Firmware    BLHeli_S J-H-40
Continuous Current    35A * 4
Burst Current    45A(5seconds)
ESC Protocol    DSHOT300/600
Power Input    3-6S LiPo
Power Output    VBAT(Battery voltage, used to power the flight controller)
Current Sensor    Support (Scale=250 Offset=-500)
ESC Telemetry    Not supported
Mounting    20 x 20mm ∅3.5mm hole size,compatible with M2 and M3 screws/Silicone grommets.
Dimension    35 * 35 * 5.5mm
Weight    7.2g

SpeedyBee F405 Mini BLS 35A 20x20 Stack

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