arm7定时器中断方式，可以通过中断方式实现定时的功能

本原程序基于8051F020,目的是掌握点阵液晶显示器的原理，电路设计及编程方法-Based on the primitive procedures 8051F020, aim is to grasp the principle of dot-matrix liquid crystal displays, circuit design and programming method

51单片机IIC驱动，包括IIC时序的驱动代码，用C语言编写。-51 Single-chip IIC driver, including the timing IIC driver code, using C language.

本文介绍了AT89C2051单片机的性能和特点，并在分析了超声波测距原理的基本系统框图。该设计系统经校正后，其测量精度可达0.1米-This paper introduces the AT89C2051 performance and features, and the analysis of the ultrasonic distance measurement principle diagram of the basic system. The design of the system calibration, measurement accuracy of 0.1 meters

关于CY68013 USB2.0批量速度的测试程序,感兴趣的可以下载看看.-CY68013 USB2.0 speed on the bulk of the test procedure, interested can download and see.

本程序是一个ＺＬＧ７２９０的驱动程序。要用的朋友来下载吧-This procedure is a ZLG7290 drivers. To use a friend to download it

本文从远传抄表的传输方式以及发达国家的家庭网络技术，较全面的介绍了国外远传抄表系统，对我国智能远传抄表系统新产品的研发有一定的参考价值。-This text is based on the transmission means of telemeterrecording and household network technologies of in developed countries，more overall introduction the system of telemeterrecording abroad，There must be certain reference value to the research and development of new products of intelligent telemeterrecording system.

讲述了一个51单片机下的操作系统，有利于工程师再实际当中选用-about a 51 Microcontroller operating system, engineers have to use them in more practical

寻迹小车，含详细的注释。1、电机有良好的驱动特性，可正、反转动，且转动平稳、有力；2、可靠的获取转速反馈信号；3、根据反馈信号使用有效的控制策略使电机达到所需的转速；4、利用码盘的反馈信号控制行走距离；5、 可以根据命令实现电机的特殊运行状态：刹车、惰行。-Tracing car, with detailed notes. 1, the electrical drive has good features, can be positive and negative rotation, and rotation smooth, powerful 2, reliable access to speed feedback signal 3, according to feedback signal to control the use of effective strategies to achieve the required motor speed 4, the use of encoder feedback signal control walking distance 5, can realize under the command of the special motor running: brakes, Inerting line.

此文件为凌阳61板结合LCD的语音训练实验-61 This document is for Sunplus LCD panels combined with voice training experiment

是用AT89C2051主控音量控制PT2258,数码管显示, 红外线遥控,2.1/5.1音源选择)包括全套原理图,源程序,HEX文件-AT89C2051 is PT2258 master volume control, digital control, infra-red remote control, 2.1/5.1 sources choice), including a full set of schematics, source, the HEX file