数字温度计设计任务书,详细的代码，详细的电路图，试验通过，可直接运行，硬件采用89S51单片机，18B20温度传感器-Digital thermometer design task book, the detailed code, a detailed circuit diagram, test passed, can be directly run, the hardware used 89S51 Singlechip, 18B20 temperature sensor