基于vb的单片机虚拟实验软件的研究与开发, 包含了vb和单片机的联合用法和通信等。-Vb-based MCU software research and development of virtual experiments, including the joint use vb and SCM, and communications.

VB编写的上位机，通过与单片机串口通信控制各个继电器的通断-VB PC, with the single chip computer serial communication control on-off of each relay