说明：  matlab GUI 的串口界面 可以将单片机板子上的温度值传到pc机的界面上以图形形式显示，并且检测一会后会计算平均温度等并显示。
(matlab GUI microcontroller serial interface board can be reached on the pc-temperature values ​ ​ are displayed graphically on the screen, and after detecting an average temperature will be calculated and displayed.)