Mamba MK4 F722 is a flight controller designed for 5" freestyle drones. It features an STM32F722 processor and ICM42688P gyro, with 16MB of blackbox memory, a barometer, 6 UART ports, an I2C port for connecting a magnetometer, 8 motor outputs, a TVS diode, and both 5V and 9V BECs. The 9V BEC can also be switched via the DJI FPV connector. Compared to other boards, the Mamba MK4 series features large solder pads, making drone assembly and maintenance easier.