STM32F4 Flight Controller is a custom-designed F4-based flight control system optimized for UAV performance, featuring a 4-layer PCB and cutting-edge sensor integration. Powered by the STM32F405 ARM Cortex-M4 microcontroller, This Flight Controller ensures real-time processing for sensor fusion, PID control, and flight stabilization. It incorporates the ICM-42688-P 6-axis IMU for accurate motion tracking and the BMP-390 barometric sensor for high-resolution altitude measurement. The PCA9685BS PWM driver enables precise motor and servo control, while EEPROM storage (24CW1280T-I/OT) retains crucial flight parameters for seamless operation across power cycles. Additionally, W25N01GVZEIG/TR NAND Flash memory facilitates high-speed logging of flight data for in-depth post-flight analysis and system optimization. Designed for reliability, efficiency, and adaptability, STM32F4 Flight Controller is a robust solution for UAV enthusiasts, researchers, and professionals pushing the boundaries of aerial technology.