allegro中文教程，描述了软件的基本操作，方便工程师初步的学习。...

Microsoft Visio 是微软公司生产的一个强大的图形设计软件，专门用于绘制比如数据库设计图、流程示意图、系统结构图的图形设计软件。如同其OFFICE系列软件一样，有着强大而繁多的功能，在程序和工程设计中被广泛的应用。-Microsoft Visio, Microsoft produced a powerful graphic design software, such as devoted to mapping database design, process diagram, the system structure of the graphics design software. Like its OFFICE Series software, which has a strong range of functions, procedures and engineering design was widely used.

chinaxp的极限编程的ppt，非常优秀的教程。-chinaxp limit programming ppt, very good tutorial.

对UML语言开发详细介绍.设计建模基础,数据库建模基础,需求建模基础，-Described the use of UML development language in detail

AVI 流水灯 单片机初学者必看 为国人电子学加力-AVI water lamp a must-see for people Singlechip beginner Jiali Electronics

设计模式的VC例子，可以用于学习设计模式。我自己觉得很有用。-design patterns VC example, can be used to study design patterns. I feel very useful.

AT89C52，89系列单片机AT89C52详细信息，

详细说明了该软件的特点和使用方法，具有很好的实用性

二维条码QR的源程序，Java平台开发。配详细的说明。-QR of the source of two-dimensional bar code, Java platform development. With detailed explanation.

这是关于tinyos的相关资料，有用的兄弟帮顶一下-tinyos

随着POS机日益广泛,对其使用要求也大不相同,给出了一般支持POS系统终端部分的软件系统设计方法。针对POS机的一般应用进行了系统功能的需求分析,设计了系统软件的整体框架及业务流程,并用代码将之实现。实现后的POS机系统能够将存货跟踪信息与主机通信,完成仓储式跟踪管理。-With the POS machine becomes more extensive, its use demands are very different from the general support given POS terminal part of the software system design. POS machines for the general application of the demand system analysis, design of the system software of the overall framework and business processes, and use the code to realize. Realize after the POS system to track inventory information with the host communications, tracking the completion of warehouse management.