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led displaying
    This paper has introduced a simple kind of method of implementing multiple LED displaying using two I/O ports of single chip microcomputer AT89S52 and cheap shift registers,as well as the hardware circuit diagram and C51 program.
    利用AT89S52单片机两个I/O口及廉价的74LS164移位寄存器实现过多个LED显示的简单方法,同时给出相应的硬件电路图和C51程序;
    This multiple LED displaying system is simple in hardware structure,easy in software programming and low in price etc.
    利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。
    A big Video LED displaying system
    大型视频LED显示系统研制
    74LS164 applied in LED displaying circuit of AT89C2051 single chip computer
    74LS164在2051单片机LED显示电路中的应用
    A Primary Research on Multimedia LED Displaying System of Microcomputer
    微机多媒体彩色LED显示系统初探
    Techniques for Designing LED Displaying Programs
    LED显示程序设计技巧
    Analysis of 8279 for LED Displaying Interface and design of Mixed Displaying Circuit for LED
    用于LED显示的8279显示接口分析及混合显示电路设计
    A New Low Cost Method For Multi-Bit Led Displaying Using 74HC595
    利用74HC595实现多位LED显示的新方法
    The Role of the LED Displaying Software in the Sports Competitions and Its Design
    关于LED显示软件在体育比赛中的作用及其设计
    Core module is constitued by LED displaying module, RS232 communication molule, digital filtering modual and liquid level calculating module,etc.
    测试软件则由LED显示、RS232通信、数字滤波和液位测量等模块构成。
    The displaying interface of chip of 8279 and the characteristics of 8segment and 16segment LED displaying and driving circuit are analyzed in the paper. The displaying and driving method of 8segment LED mixed with 16segment LED is presented and an economical and practical displaying circuit is also introduced.
    分析了 82 79芯片的显示接口及 8段、16段LED显示驱动电路的特点,提出了 8段和 16段LED混合显示驱动的方法,并介绍了一种经济实用的显示驱动电路。
    The displaying interface of 8279 and the characteristics of 8- and 16-segment LED displaying and driving circuit are analyzed in the paper. The displaying and driving method of 8-segment LED mixed with 16-segment LED is presented and an economical and practical displaying circuit is introduced.
    分析了8279芯片的显示接口及8段和16段LED显示驱动电路的特点,提出了8段和16段LED混合显示驱动的方法,并介绍了一种经济实用的显示驱动电路。
    This text has mainly introduced a kind of method of how to let multi LED displaying, making use of single chip microcomputer and 74LS164.We designed multi-LED displaying system making use of the method, it has many characters, for example hardware construction simple, programming software easy and price is low ,etc.
    利用89C51单片机串行口和74LS164移位寄存器实现多个LED显示的一种方法,利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。
    In the designation of system software, the author applies the idea of software engineering, adopts the modular designing method, and makes full use of the functions what the MCU offers, such as A/D function, interrupt function, PWM function, and software timer function. As a result, the following subroutines are programmed: keyboard scanning, A/D sample, LED displaying, data computing and dealing, software timer and control modules.
    在软件设计上,主要使用C196和汇编语言混合编程的方式,采用模块化程序设计方法,设计出了A/D采样子程序、键盘扫描子程序、中断采样子程序、LED显示子程序、数据计算及处理子程序、工缝机各种控制功能的实现模块等
    the main language is C++, In the designation of system software, adopts the modular designing method, and makes full use of the functions what the MCU offers, such as A/D function, interrupt function, PWM function, and software timer function. As a result, the following subroutines are programmed: keyboard scanning, A/D sample, LED displaying, data computing and dealing, software timer and control modules.
    软件部分的设计使用C++语言,采用模块化程序设计方法,设计出了A/D采样子程序、键盘扫描子程序、中断采样子程序、LED显示子程序、数据计算及处理子程序、工缝机各种控制功能的实现模块等。
    MCU, as the central process unit, together with LCD & LED displaying technology constitutes the whole controlling system, which can realize both isokinetic and isotonic resistance character.
    控制系统采用单片机控制技术、LED显示及LCD显示技术。 实现了等速和等张阻力特性以及各种运动参数和生理参数的测试。
    In this paper, the design of a big LED displaying system with vedio signal processing function is introduced. This system has 12\|bit displaying colour grades, and it realizes synchronous displaying with the VGA displayer of computer.
    介绍了一种具有视频信号处理能力的大型 LED显示系统的设计方案 ,该系统具有高达 1 2比特的显示灰度等级 ,且与计算机 VGA显示器实现同步显示 .
    The safety information management system used in coal mine has many functions, such as security information inputting, inquiring, printing and LED displaying, is designed under network environment with VB, SQL Server, Formula One, etc, in terms of the security management practice in coal mine. The application of this system makes it possible for the automation of safety management practice of coal mine.
    煤矿安全信息管理系统是根据煤矿安全管理工作实际 ,运用VB、SQLServer、FormulaOne等工具开发的一套基于网络环境的应用软件 ,具有信息录入、查询、打印、LED显示等多项功能 ,其应用实现了煤矿安全管理工作的自动化。
    AT89C2051 is a single chip computer with high performance and low cost. Its LED displaying circuit is not easy to design, for there are a few numbers of pins.
    AT8 9C2 0 5 1是一种高性能低价位单片机 ,但因其引脚少 ,给系统设计尤其是LED显示接口电路的设计带来一定难度。
    :This paper introduces a color LED displaying system which involves such researches as: producing and processing of image data, features of design and display mode of the screen .
    论文从图像数据的产生、处理及屏幕的设计特点和显示方式几方面介绍了一套彩色LED显示系统.
 

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