将字符串转为整形用标准C实现在Brew平台上(string to integer use c on Brew platform)

说明：  基于STM32F103单片机的DHT11测试源码(DHT11 test source code based on STM32F103 MCU)

s变换的C程序，简便实用,很容易读懂和理解，对于初学者来说，是掌握S变换的良好实例。(s transformation of C procedures, simple and practical, it is easy to read and understand for beginners, it is to master a good example of S transform.)

ADS1255和ADS1256是非常低噪声，24位模数转换器(A/D)。它们为最苛刻的应用程序提供完整的高分辨率测量解决方案转换器是由一个四阶,delta-sigma(ΔΣ)调制器紧随其后的是一个可编程数字滤波器。一种灵活的输入多路复用器处理差分或单端信号，并包括验证外部传感器完整性的电路，已测试成功可用。

windows程序设计权威版书籍，详尽，全面，用起来很好(authoritative version of windows programming books, detailed, comprehensive, and use them well)

Frequency Analyser 虚拟频谱仪源代码，VC2005版本下，能运行，代码还不错！(Frequency Analyser virtual spectrum analyzer source code the VC2005 version can run, the code is pretty good!)

C语言的精华和灵魂是“指针”，但运用的时候却比较容易出错。c++又引入了“引用”的概念，好多人不理解它们之间的区别，本人将结合自己的使用经验，给出一些编程的实例，简单阐述它们之间的区别。(C language, the essence and the soul is "pointer", but the use of it has been more prone to error. c++ and the introduction of the "reference" concept, a lot of people do not understand the difference between them, I will combine their experience, give some programming examples, briefly discusses the differences between them.)

Another program to get version information(Another program to get the version information)

9轴姿态融合Mahony算法，3轴加速度+3轴陀螺仪+3轴地磁-9-axis attitude fusion algorithms Mahony, 3-axis accelerometer+3 axis gyroscope axis geomagnetic+3

说明：  多个趣味小程序，用c编写，简洁易懂，适用于初学者进行下载、学习！(A number of interesting small programs, using c prepared, concise and understandable for beginners to download and learn!)