The third chapter, LED display system hardware design and realization.
第三章，LED图文信息显示系统硬件部分的设计与实现。
The second chapter, the integral design scheme of the LED display system.
第二章，LED图文信息显示系统整体设计方案。
The fourth chapter, LED display system design and realization of the software.
第四章，LED图文信息显示系统软件部分的设计与实现。
The paper introduces a kind of matrix LED display system based on 51 series MCU.
本文介绍了一种基于单片机的点阵LED汉字显示系统。
As the key of controlling LED screen to display video and data, LED screen controller is the core of the whole LED display system.
LED显示屏控制器作为控制LED屏显示图像、数据的关键，是整个LED视频显示系统的核心。
The multipath LED display system designed with the method is with simple in hardware structure, easy in software programming and low in price etc.
采用该方法设计的多路LED显示系统具有硬件结构简单、软件编程容易和价格低廉等特点。
The LED display system is composed of display module, controller and computer used to implement the characters inputting and the display mode selecting.
LED显示系统主要由显示模块、控制器以及完成文字录入和显示模式选择的计算机三个部分组成。
Compared with the traditional LED display system with SCM control, this system has many advantages, such as, the simple external circuit, being easy to upgrade and good stability.
与传统的单片机控制LED显示系统相比，本系统具有外围电路简单、升级容易、稳定性好的优点。
Compared with the traditional LED display system with SCM control, this system has many advantages, such as, the simple external circuit, being easy to upgrade and good stability.
与传统的单片机控制LED显示系统相比，本系统具有外围电路简单、升级容易、稳定性好的优点。
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