本代码中包含max30101检测心率、血氧的优化算法，检测到的数据稳定

VC++ 6.0开发的游戏大厅，采用C/S模式，里面包含一个连连看游戏。(VC++ 6.0 developers of the game hall, with C/S model, which includes a Lianliankan game.)

从txt中按按行读取文本保存为list或者vector(read text to list or vector)

lwip 1.30 bluetooth ppp (lwip 1.30 bluetooth ppp)

一个APP，两端同时运行可以收发消息和传输文件

C++实现的读写注册表的功能，可以直接读取某个键的值，设定某个键的值和删除某个键的值，非常方便。(Read and write C++ implementation of the registry function, you can directly read the value of a key, set the value of a key to delete a key value, very convenient.)

说明：  %求频响函数的实频、虚频、幅频、相频及Nyqiust图 %计算各阶主振型 %利用拟合圆法，求三阶固有频率、阻尼比。(% Finding Real Frequency, Virtual Frequency, Amplitude Frequency, Phase Frequency and Nyqiust Diagram of Frequency Response Function % Calculating the main modes of each order % The third-order natural frequency and damping ratio are calculated by fitting circle method.)

【实例简介】DSP算法、应用与设计

信号分析功能说明,图表，波形，二进制，十六进制，浮点(signal analysis discrape)

实现数字签名Elgamal算法，该算法是在rsa算法基础上的变形算法。(Digital signature Elgamal algorithm, the algorithm is in the rsa algorithm on the basis of the deformation algorithm.)

PM2.5激光传感器模块SDS系列使用手册(Handbook of SDS Series for PM2.5 Laser Sensor Module)