基于51单片机的232串口通信源码，有大量实例，其中包括数据发送、接收、双向通信、1206通信显示等，有汇编代码也有C语言代码，在实际项目中可以直接复制。-Based on 51 SCM 232 serial interface communication source, there are plenty of examples, including data sending and receiving, two-way communication, 1206 communications di