利用单片机与18B20温度测试芯片，所测试的温度精度为0.0625，显示采用4位数码管静态显示。实验调试能够正确得到室内温度。-Using the monolithic integrated circuit and the 18B20 temperature test chip, the temperature precision which tests is 0.0625, demonstrated uses 4 nixietube static state demonstration.The