AT89S52单片机串口发送接收程序，已通过调试，可作为参考。-Single-chip AT89S52 serial send receive process, has passed through debugging, may be used as reference.

多点温度采集上位机程序(原程序),这是配合这是配套本人上传的“多点温度采集系统”的上位机程序，一整套的东西，通这RS232接收下位机传来的数据，显示和画走势图，还可以控制下位机，通信协议在“Multi-point_temperature _system.rar”-Multi-point temperature of PC acquisition procedures (the original program), which is in line with this is the package

单片机串口通信的实例，有原理图和C语言编写的代码-Examples of single-chip serial communication, a schematic diagram and the C language code

Labview与PLC的串口通信，简单明了！-Labview serial with PLC