OS file system management, achieving the document, open the paper, writing paper...

基于STM32的正交编码器设计与实现，包括原理图+PCB图+程序，可以显示正反转，转速，当前角度(Orthogonal coding based STM32 design and implementation, including schematic+ PCB map+ program, you can display rotating, speed, current angle)

完整实现了单源最短路径的算法。 采用的是贪心算法思想。(integrity to achieve a single-source shortest path algorithm. The greedy algorithm.)

BM1422 KX224 驱动代码，实现方位角姿态解算(BM1422 KX224 Driver code)

使用stm32的滴答定时器辅助实现按键非阻塞扫描，响应及时，不阻塞占用cpu，值得新手学习(Use STM32 tick timer to help button non blocking scanning, respond timely, do not block up occupying CPU, worthy of novice learning.)

PDA版的小型WEB服务器,可运行于windows mobile平台上()

这是一个计算器的小程序，可以实现加减乘除等运算，功能很强大，已经在硬件电路板子上调试通过。

说明：  C# Cypter C#的加密壳 可以加密PE文件 过杀毒主防(The encrypted shell of C Cypter C can encrypt PE files and prevent virus)

FreeSender 群发器，学习socket 编程(FreeSender mass learning socket programming)

说明：  某变流器建立的双馈机组整机电气仿真建模，可用于LVRTHVRT仿真(Electrical simulation modeling of a double-fed unit built by a converter, which can be used for LVRTHVRT simulation)

AT89C51,ADS1255