Abstract: This paper introduces a computer mouse based on ARM embedded system, which is mainly composed of power supply, sensor subsystem, motor control subsystem, microcontroller unit and other functional modules. The working principle of each module is explained in depth from the two main links of hardware structure and software flow to realize the computer mouse walking through the maze. In terms of algorithm, the traditional center-left rule is improved. Based on the idea of flooding algorithm and combined with the centripetal rule, a simple algorithm for computer mouse walking through the maze is proposed. Only one one-dimensional array can record all the information of the maze. It has low complexity and is easy to implement programming. This design has a broad development and application prospect.
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