The work principle of COM port communication for RS-485 on the Microchip and Personal computer is simply discussed, and the sketch map and program to carry out the communication for the Microchip and Personal computer are presented.是什么意思_The work principle of COM port communication for RS-485 on the Microchip and Personal computer is simply discussed, and the sketch map and program to carry out the communication for the Microchip and Personal computer are presented.在线翻译_英语_读音_用法_例句