实现两台单片机之间的串口通信，一号机控制二号机二极管，二号机控制一号机数码管-Between the two single-chip serial communication, the Unit 1 control diode of Unit 2, Unit 2 Control Unit 1 digital tube

VB 上位机 通过串口与单片机的通信的延时程序，该演示程序包含了普通的串口通信方式，还包含了上位机与单片机通信实例，是个不错的参考-VB host computer through the the serial microcontroller communication delay program, the demo program contains a common serial communication, also contains a host computer to communica

组态王与易语言通信,通过数据库进行交换可以用于与单片机通讯组态王。-Kingview and easy language communication

使用485串口进行调试，利用上位机和单片机之间通信-Use 485 serial port for debugging