本文详细介绍了VB和单片机之间进行通信的过程。为了确保通信的可靠性，特别设计了一种以单片机为主控机的通信协议，并对其性能进行了初步探讨-This paper describes the process of communication between VB and SCM. In order to ensure the reliability of communication, specially designed a single-chip communication protocols for the Host and its performance was discussed