| 基于AT89C51&DS18B20的数字温度计设计 |
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| 引用本文： | 李海玲,王航宇.基于AT89C51&DS18B20的数字温度计设计[J].国外电子元器件,2008,16(11). |
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| 作者姓名： | 李海玲 王航宇 |
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| 作者单位： | 1. 西安航空技术高等专科学校,电子工程系,陕西,西安,710077
2. 西安航空职工技术学院,电子工程系,陕西,西安,710089 |
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| 摘 要： | 介绍了一种以AT89C51为主要控制器件,以DS18B20为温度传感器的新型数字温度计设计方法,其硬件电路包括主控制器,测温电路和显示电路等.该温度计用于软件编写过程中对上下报警温度值设置,当温度不在设置范围内时,可以报警.与传统的温度计相比,该数字温度计减少了外部硬件电路,具有低成本和易使用的特点.
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| 关 键 词： | 温度计 传感器 控制器 热敏电阻 测温电路 显示电路 |
Design of digital thermometer based on AT89C51 & DS18B20 |
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| LI Hai-ling,WANG Hang-yu.Design of digital thermometer based on AT89C51 & DS18B20[J].International Electronic Elements,2008,16(11). |
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| Authors: | LI Hai-ling WANG Hang-yu |
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| Affiliation: | LI Hai-ling1,WANG Hang-yu2 (1.Computer Engineering Department,Xi\'an Aerotechnical College,Xi\'an 710077,China,2.Department of Electronic Engineering,Xi\'an Aeronautical Polytechnic Institute,Xi\'an 710089,China) |
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| Abstract: | A new type digital thermometer is introduced,which take a micro controller unit as primary control component and DS18B20 as temperature sensor.The hardware circuit mainly includes master controller,temperature measurement circuit and display circuit.The software development can be made up from temperature,when the temperature is not in the rank of written in,the thermometer can warning.Compared with the traditional thermometer,this digital thermometer can reduce external hardware circuit, and it features lo... |
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| Keywords: | thermometer sensor controller thermistor temperature measurement circuit show circuit |
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