基于DS18B20的数字温度计，vb上位机采集数据并显示温度曲线-Based on the DS18B20 digital thermometer, VB PC data acquisition and display the temperature curve

用单片机实现温度自动控制的仿真过程，并且用VB进行温度变化曲线监控-Using single chip microcomputer to realize the automatic temperature control simulation process, and the curves of temperature monitoring in VB