Chap4-File-Management

DIYMP3，能智能播放，很好的运用了STM32系统相关知识，花费了我将近半年的努力，基本上包含了STM32所有功能的应用。(DIYMP3, play to intelligence, very good use of the STM32 system related knowledge, it took me about half effort, basically contains all STM32 function application.)

51单片机中利用PCF8591进行D/A转换在示波器中显示三角波(51 MCU PCF8591 using the D/A converter in the oscilloscope display triangular wave)

三相异步电机定子匝间短路故障的相关论文。。。。。。。。(Three-phase induction motor stator turn short circuit fault related papers. . . . . . . .)

Qt5自带的modbusTCP类实现的TCP modbus通信，程序包含客户端和服务器，开发环境为ubuntu16.04+Qt5.6.1，如打不开服务器，请将编译出的程序用sudo运行。(Qt5 comes with the modbusTCP class to achieve the Modbus TCP communication, the program contains the client and server, the development environment for ubuntu16.04+Qt5.6.1, such as the server does not open, please compile the program run with sudo.)

说明：  电力系统 导纳矩阵的形成 数据输入按IEEE标准(Power system admittance matrix of the form data input by IEEE standard)

PIC单片机I2C主从通讯，使用硬件I2C接口.(PIC microcontroller I2C master-slave communications, hardware I2C interface.)

说明：  四轴的简单原理图，包括Wifi模块，电源模块，通信模块等(simplified scheme layout of a four-wing drone)

使用51单片机和HTTP通信,运用AT指令实现，每一次发送指令都会返回OK否则不执行下一步。(Use 51 single chip microcomputer and HTTP communication, use AT instruction to achieve, each time send instruction will return OK or not to execute the next step)

the code for vorticity-stream function method of FVM!(the code for vorticity-stream function method of FVM!)

简单打字速度练习，采用倒计时10分钟进行速度练习。(Simply typing speed exercises for 10 minutes using the countdown speed exercises.)