FIT0577 is a brushless motor driver module produced by DF Robot. It is a 4-channel motor driver board with up to 8 Amps of continuous current per channel. This board is designed to drive both DC and stepper motors, and it supports I2C, PWM, analog, and step & direction control signals. Additionally, it includes a 48V/3A power supply, Fuse protection, reverse polarity protection, and over-current protection.