PELCO_D协议云台的控制协议，实现对云台的控制-PELCO_D PTZ control protocol agreements, realization of the control of the PTZ

PTZ控制PELCO-D和PELCO-P协议类，适用于监控相机二次开发项目，控制云台。-PTZ Control PELCO-D and PELCO-P protocol, suitable for secondary development project of surveillance cameras, control PTZ.

PTZ PELCO D protocol