SpeedyBee F405 BLS V4 Stack (55A / 30x30 / BLHeli_S / 3-6S)

The SpeedyBee F405 V4 BLS 55A 30x30 FC&ESC Stack combines powerful flight control and efficient power delivery for FPV drones. With the STM32F405 MCU and ICM42688P Gyro, it provides stable and precise flight performance. The ESC supports 55A continuous current with BLHeli_S firmware, ensuring reliable motor control. This stack is designed for seamless integration with multiple peripherals, making it an ideal choice for drone enthusiasts looking for high performance and versatility.

SPECIFICATIONS:

Stack:

• Part#: SB-F4V4-55-STACK

Flight Controller:

• Input Voltage: 3-6S LiPo
• MCU: STM32F405
• IMU (Gyro): ICM42688P
• USB Port Type: Type-C
• Barometer: Built-in
• OSD Chip: AT7456E chip
• BLE Bluetooth: Supported. Used for Flight Controller configuration (MSP should be enabled with Baud rate 115200 on UART4)
• WIFI: Not supported
• DJI Air Unit Connection Way: Two ways supported: 6-pin connector or direct soldering
• 6-pin DJI Air Unit Plug: Supported. Completely compatible with DJI O3/RunCam Link/Caddx Vista/DJI Air Unit V1, no wire is needed to be changed
• Blackbox MicroSD Card Slot: *Betaflight firmware requires the type of the microSD card to be either Standard (SDSC) or High capacity (SDHC) under 32GB, so extended capacity cards (SDXC) are not supported.
• Current Sensor Input: Supported.
• Power Input: 3S - 6S Lipo
• 5V Output: 9 groups of 5V output, four +5V pads and 1 BZ+ pad (used for Buzzer) on front side, and 4x LED 5V pads. The total current load is 3A
• 9V Output: 2 groups of 9V output, one +9V pad on front side and other included in a connector on bottom side. The total current load is 3A
• 3.3V Output: Supported. Designed for 3.3V-input receivers. Up to 500mA current load
• 4.5V Output: Supported. Designed for receiver and GPS module even when the FC is powered through the USB port. Up to 1A current load
• ESC Signal: M1 - M4 on bottom side and M5-M8 on front 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. SDA & SCL 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 LED controlled by Betaflight firmware
• Buzzer: BZ+ and BZ- pad used for 5V Buzzer
• BOOT Button: Supported
• RSSI Input: Supported. Named as RS on the front side
• Smart Port / F.Port: Not supported
• Supported Flight Controller Firmware: BetaFlight (Default), INAV
• Firmware Target Name: SPEEDYBEEF405V4
• Mounting: 30.5 x 30.5mm (4mm hole diameter)
• Dimension: 41.6(L) x 39.4(W) x 7.8(H)mm
• Weight: 10.5g

ESC:

• Input Voltage: 3-6S LiPo
• Firmware: BLHeli_S J-H-40
• PC Configurator Download Link: https://esc-configurator.com/
• Continuous Current: 55A * 4
• Burst Current: 70A (10 seconds)
• TVS Protective diode: Yes
• External Capacitor: 1000uF Low ESR Capacitor (In the package)
• ESC Protocol: DSHOT300/600
• Power Input: 3-6S LiPo
• Power Output: VBAT
• Current Sensor: Support (Scale=400 Offset=0)
• ESC Telemetry: Not supported
• Mounting: 30.5 x 30.5mm (4mm hole diameter)
• Dimension: 45.6(L) * 44(W) * 8mm(H)
• Weight: 23.5g

HELPFUL LINKS:

• Manual

INCLUDES:

(1) SpeedyBee F405 V4 Flight Controller
(1) SpeedyBee 55A BLHeli_S ESC
(1) Hardware Set

NOTES: 

• Manufacturer upgrades, alterations, and processor/firmware changes are frequently made without prior notice. Exact specifications, photos, and links cannot be guaranteed.