基于stc89c52单片机的数字温度计63461

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1、基于STC89C52单片机的数字温度计成员姓名：邹远淳徐冰孙顺新唐高峰专业班级：自动化2班指导教师：杨伟新目录摘要··················································P11绪论·················································P22系统组成及工作原理···································P32.1总体设计方案········································P32.2系统模块组成········

2、································P33系统电路设计·········································P43.1STC89C52单片机主控制器······························P43.2LED数码管显示模块···································P53.3温度检测模块·········································P74系统软件设计···································

3、······P85系统测试·············································P95.1主要指标测试·········································P95.2测试结果分析·········································P9参考文献·················································P10附录··················································P11基于S

4、TC89C52单片机的数字温度专业：自动化成员姓名：邹远淳徐冰孙顺新唐高峰指导教师：杨伟新摘要温度的检测是工业生产中比较典型的应用之一，随着传感器在生产和生活中的更加广泛的应用，利用新型数字温度传感器实现对温度的测试与控制得到更快的开发。本文设计了一种基于STC89C52单片机的温度检测系统，该系统将温度传感器DS18B20接在控制器的端口上，对温度进行采集，将采集到的温度值显示在LED数码管上。经实验测试表明，该系统设计和布线简单，结构紧凑，有可读性高，反应速度快，测量准确，抗干扰能力强，性价比高，扩展方便等优点，具有关阔的应用前景。关键词STC8

5、9C52，数字温度计，DS18B20ABSTRACTTemperaturedetectionisoneoftypicalapplicationinindustrialproduction.Asthesensorismorewidelyusedintheproductionandlife,Usingnewdigitaltemperaturesensorfortemperaturetestandtemperaturecontrolgetfasterdeveloped.Thispaperdesignsatemperaturedetectionbasedon

6、STC89C52single-chipmicrocomputersystem.ThesystemwillbethetemperaturesensorDS18B20connecttoaportonthecontroller,collecttemperature,collectedtemperaturevaluewillbedisplayedontheLEDdigitaltube.Throughexperimentaltests,thesystemdesignandwiringissimple,compact-sized,therearereadable

7、,quickresponse,accuratemeasurement,highEFT,highcostperformance,convenientextensionandotherbenefits,ithasasprawlingapplicationprospect.KeyWords:STC89C52，Digitalthermometer，DS18B201绪论随着人民生活水平的不断提高，单片机控制无疑是人们追求的目标之一，它所给人带来的方便是不可否定的，其中数字温度计就是一个典型的例子。单片机控制温度检测系统的温感系统主要是DS18B20芯片，该芯片

8、由一根总线控制，电压范围为3.0v--5.5v。DS18B20具有测温方便、测温范围广、测温精度高等特点。出