Description

The SpeedyBee F405 V4 BLS 55A 30×30 FC & ESC Stack is a flight controller and ESC combo designed for FPV racing, freestyle, and long-range drone builds. Built around an STM32F405 flight controller and a 55A BLHeli_S 4-in-1 ESC, the stack provides a complete solution for pilots looking for stable performance and simplified installation.

The stack supports Bluetooth connectivity through the SpeedyBee app, allowing wireless tuning and configuration directly from a smartphone. It also includes onboard Blackbox SD card support, an ICM42688P gyro, integrated current sensor support, and multiple BEC outputs for flexible FPV setups.

With support for 3S–6S LiPo batteries and a standard 30×30 mounting layout, the F405 V4 stack is suitable for freestyle quads, racing drones, and larger FPV platforms.

Features:

• Powerful F405 flight controller for fast data processing and responsive flight control
• Supports popular firmware options such as Betaflight and INAV for flexible tuning and customization
• Integrated OSD for real-time FPV telemetry such as battery voltage, flight time, and flight data
• High-performance 55A ESC designed for demanding motor setups and smooth throttle response
• Supports 3–6S LiPo battery input for versatile FPV drone builds
• Compact 30x30mm stack format for easy installation in standard FPV frames
• Multiple UART ports for receivers, GPS, telemetry modules, and other peripherals
• Robust design suitable for high-speed racing, freestyle flying, and demanding FPV use

Package Includes:

• 1 × SpeedyBee F405 V4 Flight Controller
• 1 × SpeedyBee BLS 55A 4-in-1 ESC
• 1 × 35V 1000uF Low ESR Capacitor
• Mounting hardware and cables