C# 编写的绘图板(可绘了直线，矩形，圆形，填充矩形，填充圆形等)

用代码实现一个木质的相框效果， 后续可以在框里面添加其他的照相等功能(Using code to achieve the effect of a wooden photo frame, you can add other photography functions in the box later.)

根据SIP的RFC编写的源代码，从网上搜来，但只实现基本功能，可以作为学习的好材料(SIP-RFC in accordance with prepared source code, found from the Internet, but only to achieve the basic functions, can serve as good study material)

这是自己编写的一个简易计算器，用于加减乘除计算，还有百分比和平方。(I have written a simple calculator for arithmetic calculations, as well as percentages and square.)

这是 关于STM32单片机 PWM电机调速的 例程文件(this is about stm32 pwm )

MP4V2 ANDROID 动态链接库SO，可以方便的在ANDROID下把H264,AAC封装成MP4文件。使用的是MP4V2库

mp3算法并讲解mp3编码(mp3 algorithm on the MP3 encoder and)

The PCI Local bus concept was developed to break the PC data I/O bottleneck and clearly opens the door to increasing system speed and expansion capabilities. The PCI Local bus moves high speed peripherals from the I/O bus and places them closer to the system’s processor bus, providing faster data transfers between the processor and peripherals. The PCI Local bus also addresses the industry’s need for a bus standard which is not directly dependent on the speed, size and type of system processor. It represents the first microprocessor independent bus offering performance more than adequate for the most demanding applications such as full-motion video.(The PCI Local bus concept was developed to breakthe PC data I/O bottleneck and clearly opens the doorto increasing system speed and expansion capabilities.The PCI Local bus moves high speed peripheralsfrom the I/O bus and places them closer to the system sprocessor bus, providing faster data transfersbetween the processor and peripherals. The PCI Localbus also addresses the industry s need for a bus standardwhich is not directly dependent on the speed, size and type of system processor. It represents thefirst microprocessor independent bus offering performancemore than adequate for the most demandingapplications such as full-motion video.)

lower precision beta

      51单片机温度 pid控制  有上位机  ，上位机软件用 C++Builder6.0 开发。  上位机与下位机通讯采用RS232或 RS485通讯方式。其中串口配置为 9600 波特率。  上位机中可以设置 PID 参数，可以设定设定温度参数，也可以实时显示当前温度值。可  以进行温度 PID 的启停控制。             其中，串口通讯使用 MSCOMM 控制。Label4 为用于显示北京时间的标签控件。温度曲 线中，红色线设定温度，绿色线为实时温度。在串口打开后，实时显示实时温度值并在 TChart 控件中添加数据点以绘制曲线。 由于支持半双工 RS485 通讯方式，上位机设为主机，单片机控制设为从机。主机在下发 命令后，从机回传数据。PID 温度的启动需在打开串口后按下启动按钮，启动时，会下发启 动命令且将 PID 参数及设定温度参数下传。在修改设定温度时，需按下旁边的“确定”按键， 下传温度设定参数。定时器控件设有两个，一个触发事件实现显示北京时间，一个触发事件 下传温度采集命令。

Воронежский гос университет, задача по сям