Lex

sha256的签名算法，纯C实现，已验证正确，在控制台上直接运行即可，(sha256 signature algorithm, pure C implementation ，has been verified properly and can be run directly on the console.)

一份很好的C# 教材-a very good teaching C#

MSP430F149下DDS例程 AD9850 并且用按键选择频率 (MSP430F149 under routine AD9850 DDS and frequency with button choose)

低频信号先进行放大，再调制解调，设计发射机和接收机(Low-frequency signal is first amplified, and then modulation and demodulation, the transmitter and receiver design)

此程序计算n个成员集的所有子集的数目

说明：  C语言路由洪泛算法，通过洪泛确定到达目的地所走过的节点等功能。(C language routing flooding algorithm, through flooding to determine the destination of the node and other functions.)

利用C++实现二叉树的建立。首先通过建立节点类、然后通过递归算法建立整个二叉树，有增加、删除、查找等算法，有利于初步学习二叉树。

OpenGL高级编程与可视化系统开发（高级编程篇）的随书源码-4，学习OpenGL的好东西-OpenGL Programming and Advanced Visualization System (Advanced Programming Part 1) the source-4 with books, learning the good stuff OpenGL (OpenGL high-level programming and visualization systems development (high-level programming chapter)-4 of the source with the book, learning OpenGL good things-OpenGL Programming and Advanced Visualization System (Advanced Programming Part 1) the source-4 with books, learning the good stuff OpenGL)

单片机DS18B20测温功能模块　DS18B20数字温度传感器接线方便，封装成后可应用于多种场合，如管道式，螺纹式，磁铁吸附式，不锈钢封装式，型号多种多样，有LTM8877，LTM8874等等。主要根据应用场合的不同而改变其外观。封装后的DS18B20可用于电缆沟测温，高炉水循环测温，锅炉测温，机房测温，农业大棚测温，洁净室测温，弹药库测温等各种非极限温度场合。耐磨耐碰，体积小，使用方便，封装形式多样，适用于各种狭小空间设备数字测温和控制领域。.(DS18B20 digital temperature sensor MCU DS18B20 temperature measurement function module wiring convenience, packaged as can be applied to a variety of occasions, such as pipes, threaded, magnets, stainless steel package, a variety of models, LTM8877, LTM8874 and so on. Main changes its appearance depending on the applications. Package after the DS18B20 temperature measurement, can be used in the cable trench blast furnace water cycle temperature measurement, boiler temperature measurement, room temperature measurement, the agriculture greenhouse temperature measurement, temperature measurement of a clean room, the temperature measurement of the ammunition depot various temperature extremes occasions. Resistant to wear and touch, small size, easy to use package forms, suitable for a variety of the narrow space equipment digital temperature measurement and control field. .)

MATLAB+SIMULINK+与控制系统仿真+王正林等编著，一本很不错的仿真书籍(MATLAB+ SIMULINK+ and control system simulation+ Wangzheng Lin, eds, a very good simulation of books)