利用单片机作为中枢，使用DS18B20作为温度传感器，通过液晶显示模块显示实习温度及操作系统内容，通过按键设定温度范围。通过C语言程序编写代码实现温度检测控制与报警功能-SCM as a hub, use the DS18B20 temperature sensor , LCD module displays the attachment of the temperature and content of the operating system , set the temperature range over the keys . C language program to write code to achieve the temperature measurement and control and alarm function