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1、基于AT89C51&DS18B20的数字温度计设计王航宇···再現車仁表···笔名:吴枫年龄:99专业:等级:·性别:男积分:3026行业:其它经验值:4·注册时间:2009-12-07最近登陆时间:2010-04-1210:33所在地区:广东省-潮州市·[加为好友][给我留言]·· 相关资料: 没有相关内容·简介:本文介绍了一种以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
2、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。·关键字:温度计传感器控制器 [1][2][3]1引言membersfromkeyminorityoutreach,promoteacomprehensivestrictlyadministeringthepartyintothebranches,putitintoeverypartymember,givefullplaytoeachpartyorganizationfightf
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7、Marxistpositions,knowingthatgoodtalkshowastrongbeliefinpursuit,historyasspirit,sincerefeelingsforthepeople,pragmaticstyleofthinking,enhancethescientificlevelofthework,andtobetterpromoteourwork.Intermsoflearningmethods,unitsofthepartyorganization,thepar
8、tybranchinaccordancewiththeimplementationplan,organizationmembersplannedandsubtopicstolearntocombine 随着现代信息技术的飞速发展和传统工业改造的逐步实现,能够独立工作的温度检测和显示系统应用于诸多领域。传统的温度检测以热敏电阻为温度敏感元件。热敏电阻的成本低,但需后续信号处理电路,而且可靠性相对较差,测温准确度低,检测系统也有一定的误差。与传统的温度计相比,这里设计的