SpeedyBee F405 Mini 20x20 Flight Controller with Bluetooth for FPV Drones

Introduction

The SpeedyBee F405 Mini Flight Controller represents a significant leap in FPV drone technology. Built around the advanced F405 MCU, it outperforms its F411 counterparts, offering superior processing power and features. The integrated Bluetooth chip allows for effortless wireless tuning directly through Betaflight, streamlining your setup and maintenance process. This flight controller is designed for pilots who demand high performance and cutting-edge features for their FPV builds.

Key Advantages

• Powerful F405 MCU for enhanced flight performance and stability.
• Integrated Bluetooth for convenient wireless configuration with the SpeedyBee app and Betaflight.
• Wide compatibility with DJI Air Units (O3, Link, Vista, V1) for seamless FPV system integration.
• Supports 3-6S LiPo input, providing flexibility for various power setups.
• Multiple UART ports (6 sets) for extensive peripheral connectivity (GPS, receivers, etc.).
• Onboard Blackbox with 8MB flash memory for flight data logging and analysis.
• Compact 20x20mm mounting pattern with 3.5mm mounting holes, compatible with M2/M3 hardware.
• Built-in barometer for accurate altitude readings.

Technical Specifications

• Product Name: SpeedyBee F405 Mini 20x20 Flight Controller
• MCU: STM32F405
• IMU (Gyro): ICM42688P
• OSD Chip: AT7456E
• Barometer: Built-in
• Blackbox: 8MB onboard flash memory
• Input Power: 3-6S LiPo
• Voltage Outputs: 3.3V (500mA), 4.5V (1A), 5V (2A total), 9V (3A total)
• UART Ports: 6 sets (UART1-6)
• ESC Signal: M1-M4 wires or bottom solder pads
• DJI Air Unit Compatibility: All DJI Air Units (O3/RunCam Link/Caddx Vista/DJI Air Unit V1) via pin-to-pin soldering. UART1 for OSD, SUBS(R2) for SBUS receiver.
• BLE Bluetooth: Supported for SpeedyBee app configuration (MSP on UART4 must be enabled at 115200 baud).
• Wireless FC Firmware Flashing: Not Supported. Connect via PC Betaflight Configurator.
• Wireless Blackbox Download/Analysis: Not Supported. Connect via PC Betaflight Configurator.
• Current Sensor Input: Supported (Scale=250, Offset=-500 for SpeedyBee BLS 35A V2 ESC).
• Mounting Pattern: 20x20mm, 3.5mm hole diameter (M2/M3 compatible).
• Dimensions: 30mm(L) x 32mm(W) x 7.8mm(H)
• Weight: 9.6g
• USB Port Type: Type-C
• Supported Firmware: BetaFlight (Default), INAV
• Firmware Target Name: SPEEDYBEEF405MINI
• I2C: Supported (for magnetometer, sonar, etc.)
• LED Pad: Traditional Betaflight LED pad (WS2812 LEDs)
• Camera Control Pad: Yes (CC pad)
• Buzzer Pads: BZ+, BZ- for 5V buzzer.
• ESC Telemetry: UART R5 (UART5)
• Smart Port / F.Port: Not Supported
• RSSI Input: Not Supported
• BOOT Button: Supported (for DFU mode flashing)

Applications

This flight controller is ideal for building custom FPV racing drones, freestyle quads, and agile small-scale UAVs. Its robust features and compatibility with digital FPV systems make it suitable for high-performance aerial cinematography and competitive FPV flying. The integrated Bluetooth also appeals to hobbyists who prefer wireless setup and adjustments.

Compatibility

Power: Compatible with 3-6S LiPo batteries. Power can be supplied via 8-pin G/V wires or bottom G/V pads.
DJI Air Units: Fully compatible with DJI O3, RunCam Link, Caddx Vista, and DJI Air Unit V1.
Mounting: Features a 20x20mm mounting pattern with 3.5mm diameter holes, supporting M2 and M3 screws or silicone dampers.

FAQ

What is the SpeedyBee F405 Mini 20x20 flight controller?

The SpeedyBee F405 Mini 20x20 is a high-performance flight controller for FPV drones. It features an F405 MCU, integrated Bluetooth for wireless tuning, and compatibility with various DJI Air Units. It's designed for both FPV racing and freestyle applications.

Can I tune my drone wirelessly with the SpeedyBee F405 Mini?

Yes, the integrated Bluetooth module allows for wireless connection to the SpeedyBee app or Betaflight Configurator on your PC. This enables convenient parameter adjustments and configuration without needing to connect a USB cable, provided the MSP setting on UART 4 is correctly configured.

What FPV digital video systems is this flight controller compatible with?

The SpeedyBee F405 Mini is compatible with all DJI Air Units, including the O3 Air Unit, RunCam Link, Caddx Vista, and the original DJI Air Unit V1. Direct pin-to-pin soldering is required for connection.

What are the power requirements for the SpeedyBee F405 Mini?

This flight controller supports a wide input voltage range, accepting 3-6S LiPo batteries. It provides multiple regulated voltage outputs, including 3.3V, 4.5V, 5V, and 9V, to power various components like receivers, GPS modules, and FPV cameras.

Where can I buy the SpeedyBee F405 Mini 20x20 flight controller and what are the shipping options?

You can buy the SpeedyBee F405 Mini 20x20 flight controller at HTDRONE. We offer fast shipping within Poland and reliable delivery to Ukraine via Nova Poshta. For international customers, we provide fast worldwide shipping via DHL.