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多功能溫室檢測控制系統(tǒng)設(shè)計(jì)-畢業(yè)論文-展示頁

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【正文】 .......................................................IABSTRACT ..................................................................................................................II第一章 緒論 ...................................................................................................................1 課題研究背景 ........................................................................................................1 課題設(shè)計(jì)要求 .......................................................................................................1第二章 系統(tǒng)硬件設(shè)計(jì) .................................................................................................3 單片機(jī)最小系統(tǒng)設(shè)計(jì) ............................................................................................3 AT89S52 芯片性能 .........................................................................................3 AT89S51 最小硬件系統(tǒng) .................................................................................3 時(shí)鐘 ................................................................................................................4 液晶顯示電路設(shè)計(jì) ...............................................................................................4 溫度檢測電路設(shè)計(jì) ................................................................................................5 溫度傳感器介紹 ............................................................................................5..............................................................................6AD590 其有線性優(yōu)良、性能穩(wěn)定、靈敏度高、無需補(bǔ)償、熱容量小、抗干擾能力強(qiáng)、可遠(yuǎn)距離測溫且使用方便等優(yōu)點(diǎn)。 ......................................6 溫度傳感器電路設(shè)計(jì) ....................................................................................6第三章 系統(tǒng)軟件設(shè)計(jì) .................................................................................................8 系統(tǒng)程序框圖 ........................................................................................................8 溫度檢測程序設(shè)計(jì) ................................................................................................8 DS18b20 編程規(guī)則 .........................................................................................8 溫度檢測程序框圖 ........................................................................................9第四章 系統(tǒng)調(diào)試 .......................................................................................................10 溫度檢測 .............................................................................................................10 濕度檢測調(diào)試 ......................................................................................................12第五章 總結(jié)與展望 ...................................................................................................14 總結(jié) ......................................................................................................................14 展望
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