ntdgg-tpflow-master

表达式求值程序，很好的实现表达式的ascii码输入，到数值计算(Expression evaluation procedures, to achieve a very good expression of the ascii code input to the numerical calculation)

Programming a STM32F103 board using its USB port (Blue Pill)

U盘控制芯片CH331,CH331 是一个小容量U 盘的控制芯片，只要外加一个串行存储器芯片，就可以实现2KB 到512KB 的小容量U 盘。-U disk controller IC CH331, CH331 is a small-capacity USB control chip, As long as plus a serial memory chips, we would achieve 2 KB to 512 KB of small U disk capacity.

安装方法： 你必须确定cache目录可以读写一般就不会出现什么问题,本程序在WIN2003＋IIS＋PHP5和WIN2003＋APACHE＋PHP5下完全测试通过,本程序也上传到LINUX下的PHP4通过(Installation: you must make sure that the cache directory can read and write without any problems, this procedure in WIN2003+IIS+PHP5 and WIN2003+APACHE+PHP5 complete test passed, this procedure is uploaded to the LINUX PHP4 through)

经兄弟推荐最终决定用两个控件MCSCOMM与TeeChart来完成此任务。(After recommendation by brothers, we finally decided to use two controls, MCSCOMM and TeeChart, to accomplish this task.)

开环情况下，瑞利信道下，预编码的和速率仿真(Pre-encoded sum rate simulation in Rayleigh channels with open-loop conditions)

Calculation for pitch and degree of machine

在vs下实现的2048小游戏，用C/C++语言实现。(The 2048 mini-games implemented in vs are implemented in C/C++ language.)

说明：  18个项目，通过前9天的数据，预测第10天PM2.5的含量，采用线性回归，损失函数为均方根误差(Through the data of the first nine days, the PM2.5 content of the 10th day was predicted for 18 projects, and linear regression was adopted, and the loss function was root mean square error.)

ST7920 for Pic18f46k20