pcb文件(protel格式),可以拿来学习一下pcb layout.

这是一部很好的PHP学习的电子图书，我的php编程思想都是从这里学习的。-This is a good learning PHP electronic books, I thought the php programming from here are learning.

全面的介绍了串口通信的知识，通过实例介绍了如何编程实现串口通信程序-Overall introduction bunches of mouthfuls of knowledge of communication, how does it introduce programming realization bunches of mouthfuls of communication procedure through instance

Hello Android 2nd Edition November 2009 Retail Ebook-ATTiCA -"Hello, Android" will get you creating your first working application: Android s version of "Hello, World." From there, you ll build up a more substantial example: an Android Sudoku game.

ad590是温度传感器，这是ad590的技术文档，内容包括ad590的应用-AD590 is a temperature sensor, which is AD590 technical documentation, including the application of AD590

javascript精选教程，详细的介绍了各个函数，还有和ajax的内容-javascript selection of tutorials, detailed descriptions of various functions, as well, and ajax content

华为内部资料,EMC电磁兼容问题的设计，可以做硬件参考-Huawei internal information, EMC electromagnetic compatibility issues designed to make hardware reference

VBScript和Javascript语言参考手册，很好的参考工具-VBScript and Javascript language reference manual and a good reference tool

从CNKI下载的审计专家系统电子书（1），可不是免费的吆！-CNKI downloaded from the e-books audit expert system (1), is not free shout!

thunder电子书,请大家相互学习,谢谢!-thunder eBook, please learn from each other, everybody, thank you!