The design method of LED big screen scanning circuit is introduced, and the virtues of programmable logic device application on high-speed digital system are presented.
介绍了LED大屏幕扫描电路的设计方法，阐述了可编程逻辑器件在高速数字系统应用中的优点。
The paper introduced a kind of system based on the function of serial communication between the micro controller and PC. It can control a kind of big screen that made of LED.
介绍了一种利用PC机和单片机的串行口通信功能实现对LED大屏幕进行控制的系统。
The focus was set on art and music with a stage erected outdoors, featuring a big LED screen that displayed images and videos of students' art works.
操场上一改往日景象，竖起专业的舞台，还有LED幕布屏，围绕音乐和美术的主题，屏幕上滚动播放着同学们的手绘作品、动态视频。
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