意外之喜偶然获得了这个51单片机驱动LED点阵的例子，很佩服这位仁兄，尤其是他的硬件设计——利用总线驱动LED点阵更是值得学习。（有proteus仿真原理图）-Occasional pleasant surprise was the 51 single-chip LED dot-matrix-driven example of this man very much admired, especially his hardware des