智能监视系统 程序运行时需要视频捕捉设备，如果没有，请安装USB_CAMERA目录下的设备驱动程序。-intelligent surveillance systems operating procedures need video capture equipment, and if not, Install USB_CAMERA directory device driver.

COM编程，串口编程，视频监控编程之云台控制协议pelcod。-COM programming, serial port programming, programming of video surveillance PTZ control protocol pelcod.