串口仿真，串口调试，虚拟串口，串口监控器，485通讯仿真，虚拟485设备，虚拟485主机。打包了，省得朋友们网上找。-Serial port emulation, serial debugging, virtual serial port, serial port monitor, 485 simulation, 485 virtual devices, virtual host 485. Package, and save the Internet to find friends.