以STC89C52单片机和DS18B20为核心，实现了温度的显示，温度上下限的调节，蜂鸣器错误报警功能的数字温度计程序-DS18B20 to STC89C52 microcontroller and the core temperature to achieve the display, adjust the upper and lower temperature, the error buzzer alarm function procedures digital thermometer