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在51单片机上实现RS485通讯，能够实现与上位机的通信(RS485 mode on 51 single, able to communicate with the host computer)

zigbee cc2530无线数据接受与发送，以外接传感器MQ-2酒精传感器为例，内置协议栈，直接下载就行，IAR版本为8.1(zigbee cc2530 wireless data accepted and sent to the external sensor MQ-2 alcohol sensor, for example, the built-in protocol stack, the direct download on the line)

POS Cell Zone for Visual Basic

基于C51单片机的波形信号发生器：矩形波，方波，三角波。包含单片机仿真。(Based on the C51 single-chip waveform signal generator: square wave, square wave, triangle wave. Contains simulation microcontroller.)

DDS9850，亲测可用，有中文解释，信号发生器(DDS9850, pro-test is available, there are Chinese explanation, the signal generator)

利用Arduino实现读取MPU6050的DMP四元数(Arduino MCU reads MPU6050 use a DMP quaternion)

能从SD卡读取MP3文件，并且识别后通过LD3320播放MP3，具体使用只需新建一个.ini系统文件存在sd卡，在里面设置好关键词并且所需播放的MP3文件即可(Read MP3 files from the SD card through the LD3320 play MP3 and identify specific use simply create a new the ini system files sd card exists inside set keywords and required to play MP3 files can)

郭天祥教学单片计配套电路图，可用proteus打开，比完成相应的实验(It is the circuit for the using of SCM of Guo Tianxiang training. )

源码p3at小车的程序 需要的直接下载 VS2008打开 挺不错的程序！！！！(Direct download VS2008 source p3at car program needs to open11)

类似IE和WordPad的工具条，还有两个极像IE和Wordpad的例子(The toolbar which likes IE and WordPad, and two examples which like IE and Wordpad)