nps15.tmp

autoCAD R14 的DXF文件格式(the DXF file format)

acm大赛题，(acm contest that, well good)

华为公司内部资料，硬件工程师必读的，尤其对刚毕业没有任何开发经验的人，它可以带你登堂入室，给你一个良好的开发习惯。(Huawei internal information, hardware engineers required reading, especially right after graduation without any experience in the development, it can take you tap, you develop a good habit.)

最为经典的c++教程,大概好多人都有了中文版吧?这个是英文原版的,推荐(most classic c Directory, a lot of people probably have a Chinese version of it is the original English version and recommended)

What adc measures, you can see that there are good things to share with hh.

操作系统中文版第六版，包含九章内容，全面介绍了操作系统的概念和执行流程，并附以实例加以说明(Chinese version of the sixth edition of the operating system, contains nine chapters content, a comprehensive introduction to the concept and implementation of the operating system processes, accompanied by examples to illustrate)

Interrupt the program, this is a problem to communicate.

learning python第五版，经典书籍，学习python必看。(Learning Python fifth edition, classic books, learning must see.)

打印设备的源代码我认为很重要的东西， 我贡献给大家喔(Printing device' s source code I think the important thing, I contribute to you Oh)

说明：  关于多旋翼四轴的PID的原理，以及处理的方法。对于做多旋翼无人机开发的很有用。(The principle of the PID of the four axis of the multi rotor and the method of processing. It is very useful for the development of multi rotor UAVs.)