SpeedyBee F405 V3 Stack: Feature-Packed Powerhouse at an Unbeatable Price

Get ready for a game-changer in the world of flight controllers and ESCs. The SpeedyBee F405 V3 Stack is not just an affordable option; it’s a top-shelf spec offering at an unbelievable price of $69.99. With features like an advanced STM32F405 FC, onboard LED battery indicator, Bluetooth for wireless configuration, and a robust 50A 4-in-1 ESC, this stack brings exceptional value to your drone builds.

Key Features:

  1. STM32F405 FC with 4GB Blackbox:
    • The flight controller boasts an STM32F405 chip, providing superior performance over F411 alternatives.
    • Equipped with a 4GB Blackbox SD card slot for storing flight logs, enabling in-depth analysis of your quad’s performance.
  2. Onboard Battery Indicator:
    • A 4-level LED battery indicator on the FC eliminates the need for a LiPo checker.
    • Fly worry-free, knowing your battery status at a glance.
  3. Bluetooth Configuration via SpeedyBee App:
    • Built-in Bluetooth allows wireless configuration through the SpeedyBee app.
    • Turn your smartphone into a powerful FC configurator for on-the-go tuning.
  4. Powerful Real 50A 4-in-1 ESC:
    • The 4-in-1 ESC features a robust BB21 MCU and large motor pads for easy soldering.
    • Built with Japan-made TDK filtering SMT capacitors, TVS protective diode, and an external 1500uF low ESR capacitor for durability and smooth flights.
  5. X8/Y6/Fixed-Wing Compatibility:
    • The stack supports up to 8 motors, making it suitable for X8 and Y6 drone configurations.
    • Ideal for fixed-wing setups, offering versatile compatibility.
  6. Motor Direction Configuration:
    • Change motor directions wirelessly using the SpeedyBee app.
    • Perfect for configuring motors after replacements or fine-tuning your build.
  7. LED Pads for Night Visibility:
    • 4 sets of LED pads with simple switching for increased visibility at night.
    • Easily cycle through LED presets using the BOOT button.
  8. Extra Protection Features:
    • TVS protective diode absorbs voltage spikes during battery plug-ins or crashes.
    • 1500uF low ESR capacitor ensures clean data transmission from gyro to FC.
  9. Additional Useful Features:
    • Built-in barometer for accurate height calculation.
    • Dedicated DJI Air Unit connector for quick digital builds.
    • 9V 2A + 5V 2A individual BECs for reliable power distribution.
    • 4 x UARTs for receiver, VTX, camera, and GPS connections.
    • Power your GPS with a USB cable without the need for an extra battery.


The SpeedyBee F405 V3 Stack delivers an unprecedented combination of performance, features, and affordability. From its powerful FC with Bluetooth configuration to the robust 50A 4-in-1 ESC, this stack is designed to meet the needs of both beginners and seasoned pilots. Upgrade your drone with this feature-packed powerhouse and experience a new level of control and reliability in your flights.

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