肇薀膁芆芃节袀莆蚄肄虿蒅肅单片机课程设计报告蒂题目:蒈基于单片机的数字温薅蒆度计设计膄教学系:蒁***蚅年级、专业:薃2010级电子科学与技蚂芀术(1)班螅姓名学号:羄***莄聿***莅***袁指导教师:肂***腿完成时间:螅2012年6月薃袀艿基于单片机的数字温度计设计膆作者:***指导老师:***羁(年级专业:2010级电子科学与技术一班)蕿摘要:本文介绍一种基于AT89S52单片机的一种温度测量及报警电路,该电路采用DS18B20作为温度监测元件,测量范围-55℃-~+125℃,使用4位LED模块显示,能通过键盘设置温度报警上下限。正文着重给出了软硬件系统的各部分电路,介绍了集成温度传感器DS18B20的原理,AT89S52单片机功能和应用。该电路设计新颖、功能强大、结构简单。荿莃关键词:温度测量DS18B20AT89S52螃Abstract:Theintroductionofacost-basedAT89S52MCUatemperaturmeasurementcircuits,thecircuitsusedDS18B20high-precisiontemperatursensor,measuringscope-55℃-~+125℃,canusethekeybordsetthewarninglimitation,,introducedthetheoryofDS18B20,,powerful,:TemperaturmeasurementDS18B20AT89S52螄膁莁蒈膅袃膀薈薆目录莁1前言······························································3罿2方案设计··························································3蚈3系统的硬件设计································································································································································································································································9肄4系统的软件设计·····························································································································································································································································································································································································································································································································15肈5系统的测试与总结·····················································
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