Qt图形设计，绘制曲线，可以监控温度的变化。-Qt graphic design, drawing curves, you can monitor temperature changes.

上位机接收单片机通过WIFI模块发来的数据，然后将温度绘图，可以从上位机点击按钮像单片机发送数据控制小灯的亮灭(The host computer receives the data sent by the MCU through the WIFI module, and then draws the temperature. It can send the data from the upper computer and click the button, like a single chip