百度地图瓦片

说明：  空间数据索引技术的描述，初学者可以进行简单的了解(Description of spatial data indexing technology, beginners can be a simple understanding of)

51单片机跑马灯程序，左右跑马灯，用于熟悉51单片机的初级程序。(LED horse race lamp)

格网数据交换格式NSDTM-DEM如何转换到SuperMap的数据源中(small procedures, they hope to do three-dimensional beginners can)

canOpen master 用于串口通信，主要用于测试can总线数据

工程教育中级练习题1：按一下K1键，LED以10Hz频率闪烁，屏幕上画出红圈，跟着闪，放开后保持该频率闪烁；长按K1键超过3秒，LED以5Hz频率闪烁，屏幕上画出红圈，跟着闪，放开后保持该频率闪烁；按一下K2键，LED熄灭；按一下K2键，LED常亮。(Secondary Exercise Question 1 in Engineering Education: Press the K1 key, the LED flickers at 10Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K1 key for more than 3 seconds, the LED flickers at 5Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K2 key, the LED goes out; Press the K2 key, the LED always shines.)

说明：  改进欧拉法的matlab程序，并且其中有一个例子(Improved Euler method matlab program, and an example)

VC programming language based seal processing source program, has a strong representativeness, for reference!

eye controlled wheelchair using fourier transform

用MATLAB进行 rfid读写器系统仿真(Using MATLAB for system simulation rfid reader)

远程聊天写，VS.NET 写的远程聊天室程序 -Remote Chat write, write VS.NET remote procedure Chat Room