通过控制51单片机来实现走马灯的功能，该程序简洁实用(Through the control of 51 single-chip microcomputer to achieve the function of the lantern, the program is simple and practical)

通过控制单片机来实现延时走马灯的功能，该程序简洁实用(Through the control of the microcontroller to achieve the function of the time delay, the program is simple and practical)