毕业设计论文数字温度计显示报警系统摘 要数字温度计显示报警系统随着时代的进步和进展,单片机技术已经普与到我们生活工作,科研,各个领域,已经成为一种比较成熟的技术,本文将介绍一种基于单片机控制的数字温度计,利用单片机AT89S52设计了一种数字温度计,它由单片机、DS18B20传感器以与LED 数码管等部件组成,本温度计属于多功能温度计,功能较强,可以设置上下限报警温度,且测量准确、误差小
当测量温度超过设定的温度上下限时,启动蜂鸣器和指示灯报警
关键词:单片机 AT89S52;温度计;DS18B20;温度显示Abstract Along with the progress of The Times and development, technology has spread to our life, work, scientific research, each domain, has become a more mature technology, this paper introduces a method based on single-chip microcomputer control, the digital thermometer AT89S52 SCM design using a digital thermometer, it by MCU, LED digital sensors and DS18B20 pipe etc components, this thermometer belongs to the multi-function thermometer, function, can install strong upper temperature, and the measurement accuracy alarm and small err