UIrobot launched a series of stepping motor drivers. They are characterized by small size, strong driving ability, with full intellectual property rights, completely different from existing similar products in the market. The size of these motor controllers is 42 * 42 * 14mm (L*W*H), with the corresponding mounting flange, they can be directly mounted onto the 42/57/85/110 series of stepper motors. UIrobot ultra-miniature and micro intelligent stepper motor drivers and stepper motor controllers is categorized into parallel port series, UART (e.g. RS232) series, CAN series etc. UIrobot stepper motor controller is the only product featured by small size, high intelligence and high driving performance products in the industry.