这是通过串口编程，来实现的云台控制程序。包括简单的左右上下，聚焦，变倍等。-This is through the serial port programming, to achieve the PTZ control procedures. Including around a simple up and down, focus, zoom and so on.

云台式视频头控制，使用Pelco-d2400的协议。有很好的参考价格-Cloud control of desktop video first, use the protocol Pelco-d2400.