很简单的表达式求值程序，DC编程下完成的

自行车的里程表。基于51单片单片机最小系统开发的(The bike' s odometer. Developed based on 51 single-chip microcontroller minimum system)

此次代码通过定时器触发ADC采样，并将采样到的数据存入到DMA设置地址中，亲测可用。验证平台为STM32F407

歌词编辑器，可以用它把MiniLyric的歌词提取出来，以供打印，希望大家喜欢，主要用到正则表达式。-lyrics editor, it can put MiniLyric extracted from the lyrics, for Print hope you like them, are mainly used regular expression.

sim900a发送中文短信范例程序，基于STM32F103 cotex-m3内核，很好用，测试过没有问题，可以方便移植到其他单片机上

说明：  tightvnc 是RTSP协议，C++开发的视频直播，点播，程序。功能强大。服务器LINUX，客户端windows.(tightvnc is the RTSP protocol, C++ development of the video broadcast, on demand, program. Powerful. Server, LINUX, the client windows.)

吉林大学matlab教程，里面都是些常用的方法介绍，适合英语不好想学习matlab的初学者(Jilin University matlab tutorial, there are some commonly used methods of introduction, English is not good for the beginner want to learn matlab)

基于ARM的俄罗斯方块设计，本次将设计实现一个用C语言编写的、在基于ARM核心的ADuC7020 ARM开发板上实现的单机版的俄罗斯方块小游戏。使用Keil3编程软件对C语言代码进行编写，支持按键操作，在实现过程中涉及了LCD液晶屏的图形显示、按键控制、LED控制、中断、蜂鸣器等嵌入式的编程技术。(Tetris ARM-based design, this will be designed to achieve a C language, the ADuC7020 ARM development board ARM core-based implementations of stand-alone version of the Tetris game. Use Keil3 programming software code written in the C language, support for key operations involved in the implementation process of the LCD screen graphical display, control buttons, LED control, interrupt, buzzer embedded programming techniques.)

使用C语言实现的机器学习算法随机森林算法源码(Using C language implementation of machine learning algorithm of random forest algorithm source code)

c++学习编写软件，能实现同机或通过网络两机间进行通讯( chat )

Persian calender mfile 1392 in matlab