该系统是用单片机的C语言开发的，为带音乐的跑马灯，音乐有3首，跑马灯有8中跑的方式，并且可以调控跑马灯的速度，以及切换音乐，内含报告和源代码-The system is single-chip C-language development, as with music, marquees, music 3, marquees with 8 way run, and can control the speed of Marquee, as well as change the music, con