采用两块51单片机通过串口实现双机通讯，其中一个作为数据发送，另一个是数据接受！是学习串口通讯甚至无线通信的好例子-51 Single-chip through the use of two dual serial communication, one as a data distribution, and the other is to accept data! Serial communication is to study and even a good example of wirele