使用AVR的云台控制器程序,通过串口和PC机通讯实现在监控电脑上控制摄像机云台.通过SPI口进行串并转换实现单片机IO扩展.-The use of the PTZ controller AVR procedures, through the serial port and PC communication to achieve computer monitoring camera PTZ control. Through the SPI port for the realization of s