Build a faster, smoother, and smarter FPV drone with the Original SpeedyBee F405 V3/V4 FC & ESC Stack. Designed for freestyle, racing, and custom DIY quadcopters, this powerful 30x30 stack combines a high-performance STM32F405 flight controller with a robust BLHeli_S 4-in-1 ESC rated for 50A or 55A continuous current. The V3 version features the reliable BMI270 gyro, while the upgraded V4 model uses the advanced ICM42688P gyro for improved stability and noise resistance.
With built-in Bluetooth connectivity, you can configure Betaflight settings, reverse motor direction, and tune your drone directly from the SpeedyBee mobile app—no laptop required. Compatible with 3S to 6S LiPo batteries and supporting DSHOT300/600 protocols, this stack is ready to handle demanding 6S freestyle builds, long-range setups, and high-performance racing drones. Whether you're upgrading an existing quad or starting a new FPV project, the SpeedyBee F405 stack delivers the reliability, power, and wireless convenience pilots love.
