文章中包含了多种驱动LED数码管的应用电路图，多数应用集成电路，十分实用。...

verilog hdl count24 verilog hdl count24 -verilog hdl count24

基于WebGIS的旅游景区监控预警系统研究,介绍的不错,值得一看.-WebGIS-based Tourism Research Monitoring early warning systems, introduction of good, worth a visit.

The development of a data acquisition card based on USB bus is introduced in this article.It first describes the configuration and principle of this card in the part of hardware design,and then the application program and device driver in the part of software design.Data acquisition program in firmware is also discussed.Finally,this data acquisition card is tested and evaluated in a program developed by Lab Windows CVI,which shows that this car is stable and reliable

电子设计是所需的元器件74AC04的说明-Electronic components design is required to note 74AC04

为了便于我们分析和识别电路，更好的理解555电路，这里我们这里按555电路的结构特点进行分类和归纳，把555电路分为3大类、8种、共18个单元电路。-In order to facilitate our analysis and the identification circuit, a better understanding of circuit 555, here we are here by the structural characteristics of the circuit 555 classified and summarized in the circuit 555 is divided into 3 broad categories, eight kinds, a total of 18 unit circuit.

WDM驱动的一篇不错的好文章，对要进入驱动开发的同志们是不份不错的启蒙篇。-WDM Driver of a good, well-article on access to drive development of the Comrades is not good for the enlightenment chapter.

详细描述PROJECT SERVER系统如何安装,非常好的项目管理学习手册.-PROJECT SERVER system described in detail how to install, very good project management to learn the manual.

sm502应用电路，原理图可用于设计开发-SM502 Application circuit schematic can be used for design and development

源码简介客户关系管理系统源码 一个功能简单Asp.net的客户关系管理系统 主要有：客户资料管理 基础配置管理 员工管理 客户服务管理四大模块 客户管理：客户资料管理 添加客户 修改客户 查询客户 联系人管理 添加联系人 修改或查询联系人 基础配置管理：添加区域 添加城市 查看区域城市 部门设置 客户状态设置 客户等级设置 客户业务类型设置 员工管理：添加和查询员工 登记日志 日志查询 登记联系记录 查询联系记录 登记计划任务 查询任务列表 客户服务管理：登记投诉 处理投诉 登记新需求 需求处理意见 合同管理 实施总结 浏览实施项目 DB_51aspx下为Sql2005格式数据库，附加即可 数据库操作采用的是SqlHelper-err

具有设置密码，修改密码，显示信息，发声报警等基本功能。-Have set a password, modify your password, display information, the basic functions such as audible alarms.