基于opencv实现多点实时视频通信，实现局域网、广域网使用IP视频监控-Based opencv achieve multi-point real-time video communications, LAN, WAN using IP video surveillance

温度测量系统，基于串口通信和stm2上电脑上的交互，可以实时测出温度-Temperature measurement system, based on the serial communication and stm2 computer interaction, the temperature can be measured in real time