VB中的串口通讯，串口通讯作为一种古老而又灵活的通讯方式，被广泛地应用于PC间的通讯以及PC和单片机之间的通讯之中。-VB of the serial communications, serial communications, as an ancient means of communication and flexible and was widely used in communications between the PC and the PC and single-chip communication between the way.