DS18B20 测温，利用protues和keil联调的方式实现，测量的温度范围在-55°C~+125°C。-DS18B20 temperature measurement using keil FBI protues and means to achieve the measured temperature range-55 ° C ~+125 ° C

通过DS18B20检测温度，然后输出到LCD显示，如果超出阈值范围，进行报警(The temperature is detected by DS18B20, and then output to LCD display. If it exceeds the threshold range, it will alarm.)