Motor driving device based on single-chip microcomputer

The utility model relates to the technical field of motor control, and discloses a motor driving device based on a single-chip microcomputer, which comprises a casing, two wiring boards, a substrate, a shell, a single-chip microcomputer chip and a top cover, an air outlet is arranged at the lower part of the center of the front end face of the shell, and a heat dissipation fan is arranged at the lower part of the center of the rear inner wall of the shell. A semiconductor chilling plate is arranged on the lower end face of the single-chip microcomputer chip, grooves are formed in one side walls of the two wiring boards in a rectangular arrangement mode, second connectors are arranged at the centers of the inner side walls of the multiple grooves, and a plurality of first connectors are arranged between the two wiring boards. According to the utility model, through mutual magnetic attraction between the plurality of first magnetic contacts and the plurality of second magnetic contacts, a circuit can be connect