PC机与51单片机串口通讯程序，主要实现单片机发送和接收程序，PC端可以用VB,VC进行界面设计。-PC-MCU serial communication program with the 51, mainly to send and receive procedures for SCM, PC client can use VB, VC for interface design.

使电脑与RS232沟通 没有port的限制 绝对好用-To enable the computer to communicate with the RS232 there is no port restrictions on the absolute easy to use