广告灯左移右移设计，实现花样亮，先从左循环亮之后再循环回来-Shifted to right ad to the left light design, the realization of synchronized light, light from the left circle to come back after the recycling

单片机流水灯循环移动，实现循环左移和循环右移的功能-SCM water cycle moving lights to achieve loop left and loop right shift function