android-video-replayer-soure-code

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.)

用C语言对LED灯进行测试 通过实际按下键盘进行测试笔(the test of LED with C language and the keyboard is a necessity )

STM32 DS18B20实验C,用于STM32系列单片机读写DS18B20，已调试通过。(STM32 DS18B20 experiment C, for the STM32 microcontroller to read and write DS18B20, has been through debugging.)

基于keil 51的LCD12864驱动开发程序，工程文件已建好，可以直接使用(Based keil 51 of LCD12864 driver development program, project files have been built, can be used directly)

一个以太网帧解析程序，实现以下功能：解析已封装好的Ethernet V2.0帧封装文件（见附件），判断有多少个帧，每个帧的所有字段内容，检测CRC校验是否正确(An Ethernet frame analysis program, the following functions: parsing the encapsulated Ethernet V2.0 frame encapsulation (see annex), to determine the number of frames, each frame contents all fields to detect CRC checksum is correct)

串口0通信-查询方式实验向串口发送子节数据，并等待数据发送完成，使用查询方式(Serial 0 communication- ways to experiment sub-section to the serial port to send data and wait for the data transmission is complete, use the query mode)

本程序基于单片机实现RTC实时时钟，简单易懂(The program is based MCU RTC real time clock, easy to understand)

说明：  i2c红外 小车扫描 简单程序 扫描准确(smart car scan easy program)

模拟了现实中的示波器，可以滚动显示波形，动态显示，属性振幅都可以改变 实用性 比较好 (Simulated reality oscilloscope, you can scroll waveform display, dynamic display, amplitude attribute can be changed relatively good practicality)

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.)