PowerPCB教程精简版，适合初学者使用

JFIF标准文档-JFIF standard documents

我在7.30日之前发布在csdnblog的文章-7.30 before the day I published the article in csdnblog

Altium.Designer.6.6.PCB设计常用快捷键-Altium.Designer.6.6.PCB design commonly used shortcut keys

ad.rar - 快速排序算法的c实现 -ad.rar-fast algorithm to achieve c

The ultimate comprehensive guide to everything from drawing basics to advanced techniques 1. Adobe expert Ted Alspach reveals the latest on Illustrator CS4’s new features and thoroughly explains how to integrate Illustrator with the rest of Creative Suite 4 2. Teaches you step-by-step how to create designs that work beautifully, whether in print or online 3. Covers the basics of drawing, painting, coloring, and uncoloring 4. Offers essential tips for mastering paths, masks, blends, patterns, transparency, and type 5. Introduces you to enhanced Smart Guides and a new Crop Area tool 6. Demonstrates how to work in multiple pages with CS4’s new Artboard tool 7. Packed with practical tips and tricks to improve designs and conquer the Web with scripts and online design techniques

基于uC-OS II的嵌入式安全操作系统的框架设计-UC-OS II-based embedded security framework for the design of operating system

OK视频采集卡VC源代码，功能强大，是最好的学习参考代码！-souce code to realize video

单片机c语言 源程序 初学者不错 有例子-SCM c language source code there is a good example for beginners

The SPMC75 plait distance guidebook -The SPMC75 chivalrous distance guidebook

Tinyos很好的入门书无线传感器网络，Tinyos很好的入门书无线传感器网络-Tinyos good introductory book wireless sensor networks Tinyos good introductory book wireless sensor networks