本工程为单片机通过温度传感器ds18b20获得模拟温度后，经单片机本身AD转为数字信号，并通过1602显示屏加已显示。-After this project is to obtain an analog microcontroller temperature by a temperature sensor ds18b20, AD by the microcontroller itself into a digital signal, and by 1602 plus screen is disp