| 简易数字温度仪的设计 |
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| 引用本文： | 刘源.简易数字温度仪的设计[J].数字社区&智能家居,2006(26). |
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| 作者姓名： | 刘源 |
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| 作者单位： | 桂林工学院电子与计算机系 广西桂林541004 |
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| 基金项目： | 桂林工学院科研启动金(006011231)。 |
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| 摘 要： | 介绍了一款简易数字温度仪的设计。列出温度传感器DS18B20的基本特性。由于DS18B20具有直接输出数字信号、单总线接口、成本低等优点,将其应用在由单片机AT89C2051为核心的家庭环境监测系统中作为测温探头。给出了相应的硬件接口电路、软件流程及主要程序代码。并针对DS18B20对时序要求十分严格的特点给出了详细的介绍。
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| 关 键 词： | 温度传感器 DS18B20 单片机 接口电路 |
The Design of A Simple Digital Thermometer |
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| LIU Yuan.The Design of A Simple Digital Thermometer[J].Digital Community & Smart Home,2006(26). |
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| Authors: | LIU Yuan |
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| Abstract: | This article introduces the basie characteristics of DS18B20. Becase DS18B20 has a series of characteristics such as digital output,1-wire interface and low cost,it is applied to the environment detection system as temperature measuring probe. The system is composed of AT89C2051 and kinds of environment sensors. This article also gives the corresponding hardware interface circuit, software flow diagram and the primary code. According to the characteristic of DS18B20 that DS18B20 is strict to the time slots,this article provides an actually introduction. |
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| Keywords: | Temperature Sensor DS18B20 MCU Interface |
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