Rs232-RS485

代码说明：

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)

文件列表：

Rs232串口通信大全
.................\串口通信编程大全.pdf