485 全双工通信及proteus仿真,用单片机模拟485全双工通信的通信过程-485 full-duplex communication and proteus simulation, single-chip analog 485 full-duplex communication communication process

rs485串口通信Proteus平台下仿真PC机到51单片机的RS485数据通讯，-Under rs485 serial communication to the PC simulation Proteus platform 51 single RS485 data communications,