SpeedyBee F405 V3 Flight Controller with BL32 50A 3-6s ESC — Kit for Powerful Quadcopters

This professional kit from SpeedyBee combines the F405 V3 FC flight controller and a 4-in-1 50A 3-6s BLHeli_S ESC in a standard 30×30 mm mounting size. This kit is designed for pilots who need a reliable hardware platform with extended connectivity options, a built-in barometer, a 1500 µF capacitor for power filtering, and Bluetooth configuration support.

Key Advantages of the Kit

• Dedicated connector for quick DJI Air Unit connection (6-pin or solder pad)
• Supports 4x UART for connecting receiver, VTX, camera, GPS, and ESC telemetry
• MicroSD Blackbox slot up to 4 GB for flight telemetry recording
• Two BECs: 9V 2A and 5V 2A for accessory connection
• 4-level LED battery indicator for quick monitoring
• 8 motor outputs (M1–M8) for complex multicopter configurations
• Built-in barometer for altitude stability
• Configuration and control via Bluetooth using the SpeedyBee app

F405 V3 FC Flight Controller Specifications

• MCU: STM32F405
• IMU (Gyro): BMI270
• USB Port: Type-C
• Barometer: Built-in
• OSD Chip: AT7456E
• BLE Bluetooth: Supported, used for flight controller configuration
• DJI Air Unit Connection Method: Via 6-pin connector or solder pad
• MicroSD Blackbox Memory Card Support
• BetaFlight Camera Control Pad: Present
• Input Current Sensor: Yes
• Input Power: 3S – 6S LiPo
• ESC Outputs: M1–M4 on the bottom side and M5–M8 on the top side
• UART: 6 sets (UART1, UART2, UART3, UART4 — for ESC telemetry, UART6)
• ESC Telemetry: UART5 (R5)
• I2C: Supported
• Buzzer: Yes
• BOOT Button: Yes
• RSSI Input: Yes
• SmartPort: Yes
• Firmware Support: BetaFlight (default), EMUFlight, INAV
• Firmware Target: SPEEDYBEEF405V3
• Mounting Pattern: 30.5×30.5 mm (4 mm hole spacing)
• Dimensions: 41.6×39.4×7.8 mm
• Weight: 9.6 g

*Note on the BOOT button

• [A]. Press and hold the BOOT button and simultaneously power on the FC to put the board into DFU mode for flashing if firmware issues occur.
• [B]. In normal operation, the BOOT button also controls the LED strips connected to LED1–LED4 on the bottom side: short press — LED display mode, hold — switch between SpeedyBee-LED and BF-LED modes; in BF-LED mode, LED1–LED4 lines are controlled by Betaflight firmware.

SpeedyBee BLS 50A 30×30 4-in-1 ESC Specifications

• Firmware: BLHeli_S JH50
• Wireless Configuration: Supported via SpeedyBee app
• Continuous Current: 50A × 4
• Peak Current: 55A (5 sec)
• TVS Protection: Yes
• External Capacitor: 1500 µF Low ESR (included)
• ESC Protocol: DSHOT300/600
• Input Power: 3–6S LiPo
• Output Power: VBAT
• Current Sensor: Yes
• Mounting Size: 30.5×30.5 mm (4 mm hole diameter)
• Dimensions: 45.6×44×6.1 mm
• Weight: 13.8 g

Kit Contents

• 1× SH 1.0 mm 30 mm 8-pin cable (for FC and ESC connection)
• 1× SpeedyBee 50A 3-6S BLHeli_S 4-in-1 ESC — 30×30
• 5× M3×8.1 mm silicone grommets (for ESC)
• 1× 35V 1500 µF Low ESR capacitor
• 1× XT60 power cable (70 mm)
• 5× M3 silicone O-rings

Brand: SpeedyBee
Category: Drones & Quadcopters > Stacks (FC+ESC)

This kit is ideal for those building a powerful racing or freestyle quadcopter, requiring support for modern telemetry protocols, high sustained current of 50A per channel, a wide voltage range of 3–6S, as well as convenient Bluetooth configuration and compatibility with DJI Air Unit.

Other products in this category here Stacks (FC+ESC)