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关于51单片机和dac7811芯片之间通信的程序，可以正确模拟SPI串口通信，写入数据(On communication between 51 single chip microcomputer and dac7811 chip procedures, can correctly simulate the SPI serial communication, write data )

利用kinect获取原始的音频波形，得到四声道的pcm波形。(Use kinect to get the original audio waveform, get pcm waveform four channels.)

说明：  手消毒器应用，已经用于产品。是先喷消毒液；再进行手烘干。非常好奥(Hand disinfection applications, has been used for products. Is to spray disinfectant further hand drying. Very good Austrian)

通过51单片机串行转并行，扩展IO口，实现四个步进电动机的控制。(By 51 microcontroller serial to parallel IO expansion port, to achieve four stepper motor control.)

rs232实验 可以看看是综合实验 需要的人 是51的板子 用keil编译(the rs232 experiment to see people in need of comprehensive experimental 51 board keil compiler)

AD0809的功能启动，描述了如何启动AD0809的数模转换功能，并且在旁边加油注释(The AD0809 s function is activated, and describes how to start the AD0809 digital to analog conversion function, and next to the fuel comment)

二维弹性常值边界元程序BEM2C++，二维边界元，弹性静力学(2 Dimensional elastic constant BEM program BEM2C++)

stm32f103 lib header 头包含文件结构(stm32f103 lib header)

毕业设计时做DC600V逆变器测试系统，采用工控机为主控制器，PCL-818数据采集卡， VC++作编程工具，对25T、25k型客车使用的逆变器进行性能测试。(Graduation time to do DC600V inverter test system, IPC-based controller, PCL-818 data acquisition card, VC++ as a programming tool, 25T, 25k bus-type inverter used for performance testing.)

辅助数字电路课程学习，说明TTL电路中驱动电流之间的 关系。 (auxiliary digital circuit courses on TTL circuit-drive current relationship.)