▍1. Rs232-RS485
说明: 串口通讯大权,介绍了RS232,RS422,RS485等串行通讯的协议,规范,具体说明等。帮助你写好串口同学(Serial communication power, introduced the RS232, RS422, RS485 and other serial communication protocol, standardization, and specific descriptions. Students help you write the serial)