SpeedyBee F405 V4 BLS 55A 30×30 Stack
Blast through freestyle or racing with full 6S power. Configure motors wirelessly—no computer, just your phone.
$162.99
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Description
The SpeedyBee F405 V4 BLS 55A 30×30 Stack delivers powerful 6S performance with a real 55A output, robust BB21 MCU, and premium Japan-made filtering capacitors for smooth, reliable flights. The built-in Bluetooth and SpeedyBee app let you wirelessly configure motor directions and FC/ESC settings—no PC required—making it the ultimate upgrade for racers and freestyle pilots who demand peak power, easy setup, and total control anywhere, anytime.
Specifications:
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Product Name: SpeedyBee F405 V4 30×30 Flight Controller
- MCU: STM32F405
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IMU (Gyro): ICM42688P
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USB Port Type: Type-C
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Barometer: Built-in
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OSD Chip: AT7456E
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BLE Bluetooth: Supported (UART4 @ 115200 baud for FC configuration)
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WiFi: Not supported
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DJI Air Unit Connection:
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6-pin connector or direct soldering
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Fully compatible with DJI O3 / RunCam Link / Caddx Vista / DJI Air Unit V1
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6-pin DJI Plug: Supported (no rewiring needed)
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Blackbox (MicroSD Slot):
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Supports SDSC/SDHC (≤32GB)
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Must be FAT16 or FAT32 formatted
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Max 4GB usable in Betaflight
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SDXC (U3) cards not supported
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Current Sensor Input: Supported (Scale = 400, Offset = 0 with SpeedyBee BLS 55A ESC)
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Power Input: 3S–6S LiPo (via 8-pin connector or bottom pads)
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5V Output:
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9 groups total
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4x +5V pads
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1x BZ+ pad (for buzzer)
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4x LED 5V pads
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Max current: 3A
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9V Output:
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2 groups (1 pad front, 1 via bottom connector)
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Max current: 3A
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3.3V Output: Supported (for 3.3V receivers, up to 500mA)
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4.5V Output: Supported (for receivers/GPS, up to 1A, works via USB)
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ESC Signal Pads:
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M1–M4 (bottom side)
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M5–M8 (front side)
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UART Ports:
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6 total: UART1, UART2, UART3, UART4 (Bluetooth), UART5 (ESC telemetry), UART6
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ESC Telemetry: UART R5 (UART5)
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I2C Support: SDA & SCL pads (front side, for magnetometer/sonar)
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Betaflight LED Pad: Supported (5V, G, LED pads for WS2812)
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Buzzer: BZ+ and BZ- pads for 5V buzzers
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BOOT Button:
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Hold + power on = DFU mode (firmware recovery)
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Short press = Cycle LED display mode
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Long press = Switch SpeedyBee LED ↔ Betaflight LED mode
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RSSI Input: Supported (RS pad on front side)
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Smart Port / F.Port: Not supported
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Supported Firmware: Betaflight (default), INAV
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Firmware Target: SPEEDYBEEF405V4
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Mounting Pattern: 30.5 x 30.5mm (4mm hole diameter)
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Dimensions: 41.6 x 39.4 x 7.8 mm
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Weight: 10.5g
Product Name: SpeedyBee BLS 55A 30×30 4-in-1 ESC
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Firmware: BLHeli_S J-H-40
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PC Configurator: ESC Configurator
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Continuous Current: 55A x 4
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Burst Current: 70A (10 seconds)
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TVS Protective Diode: Yes
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External Capacitor: 1000uF Low ESR (included)
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ESC Protocols: DSHOT300, DSHOT600
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Power Input: 3–6S LiPo
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Power Output: VBAT
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Current Sensor: Supported (Scale = 400, Offset = 0)
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ESC Telemetry: Not supported
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Mounting Pattern: 30.5 x 30.5mm (4mm hole diameter)
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Dimensions: 45.6 x 44 x 8 mm
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Weight: 23.5g
Package Includes:
- 1 x SpeedyBee F405 V4 Flight Controller
- 1 x M3*8mm Silicone Grommets (for FC)
- 1 x SH 1.0mm 25mm-length 8pin Cable (for FC-ESC connection)
- 1 x DJI 6pin Cable (80mm)
Additional information
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