proteus做的点阵屏幕，用的是595，可以显示不少字，公交车案例-proteus to do dot-matrix screen, using a 595, can display a lot of characters, bus case

c++ Builder编写的LED对联屏，利用网络编程 自定义协议 图片处理-LED couplets written in c++ Builder screen, the use of network programming custom image processing agreement