单片机的Demo，可以在单片机上演奏音乐 用汇编语言的写的

本程序功能是利用单片机控制用户板上的小键盘，将按下的键通过单片机的串口发送给PC机，在PC机串口助手显示出来。用行翻转法的方法来识别输入的键盘。 二、通过单片机将键盘按下的键在LCD上显示出来。 -This procedure is the use of single-chip control functions of the user on-board a small keyboard, the keys will be pressed through the single-chip serial port sent to the PC, the PC Serial Port assistants displayed. Line inversion method used to identify the method of keyboard input. Second, through the single-chip microcomputer keyboard keys pressed on the LCD display.

protel　　Ｄ X P 实 例 4-protel　　Ｄ X P 实 例 4

高速数字电路设计及EMC设计，越来越得到大家的重视，如何解决高速数字电路设计及EMC之间的矛盾呢，希望这这能帮助大家。吐血推荐下载。- The high speed figure circuit design and the EMC design, more and more obtains everybody the value, how solves between the high speed figure circuit design and the EMC contradiction, hoped this this can help everybody. Spits blood recommendation downloading.

此程序为单片机89S52液晶显示模块显示程序.具体解释在程序中有.-procedure for SCM 89S52 LCD display module procedures. Explain the procedures are.

c8051f单片机的实例，有中文注解，书籍光盘-SCM c8051f example, have Chinese notes, books, CD-ROM

C51程序框架生成器，主要针对51系列单片机的C程序开发，提供相关寄存器、定时器、串行接口等初始化操作，生成C程序框架。程序中附带数模转换功能。-C51 process framework generator, mainly for the 51 series MCU C application development, to provide relevant registers, timers, serial interfaces such as initialization, generating C procedural framework. Program with digital-analog conversion.

ds1631温度传感器程序，I2C总线的，好用-ds1631 temperature sensor procedures, I2C bus, easy to use

基于51单片机系统，利用AD转换芯片ADS7841，数码管驱动芯片CH452，以及CD74HC4051、CD74HC259、CD74HC154、74HC244等接口芯片实现二十路以上的电压监测、显示与通断控制。编程环境：keil-Based on 51 single-chip microcomputer system, using AD conversion chip ADS7841, digital tube driver chip CH452, and CD74HC4051, CD74HC259, CD74HC154, 74HC244 interface chip such as the way to achieve more than twenty-voltage monitoring, display and on-off control. Programming environment: keil

Adobe Audition数字存储示波器 利用电脑强大的处理能力和声卡高精度的AD/DA界面，加上Adobe Audition强大的录制和显示功能，数字存储示波器的功能即可轻易实现-Adobe Audition Digital Storage Oscilloscope use of computer processing power and high-precision sound card AD/DA interface, together with Adobe Audition powerful recording and display, digital storage oscilloscope functionality can easily realize

这是一个ht1620的资料，希望对你有用-This is a ht1620 information useful to you hope