农业物理网终端设计(HF DTU + DACAI 7‘ + ZZ IO1600 16Port Do + 北斗)
实现全云端化:屏幕参数控制+继电器控制+北斗设备定位的云端农业物理网解决方案1.485通讯协议设计2.设备连接3.串口和网口通讯监测4.HFDTU脚本实现cmd01=[0xFE,0x01,0x00,0x00,0x00,0x10,0x29,0xC9]cmd02=[0x01,0x03,0x00,0x05,0x00,0x23,0x14,0x12]num=0recvtime=0mac=MACmac01=m