vb与simatic opc通讯,应用了iocomp控件，对电流进行实时画曲线-vb and simatic opc communication, application of the iocomp control, real-time picture of the current curve

用VB编写的上位机程序，主要用于查看单片机内部温度和室内实时温度，并可实现蓝牙控制灯的亮灭，描绘实时温度曲线。-VB prepared by the PC program, mainly used to view real-time MCU internal temperature and indoor temperature, and can achieve Bluetooth control lights out, depicting real-time temperature curve.

VB串口通信操作界面,进行数据采集,画实时曲线-VB serial communication interface, data acquisition, real-time curve drawing