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【正文】 ..........................................................................................................2 ...................................................................................................................................2 單片機(jī)控制模塊的選擇論證 ................................................................................................2 溫度濕度檢測(cè)模塊的選擇與論證 ........................................................................................2 顯示模塊的選擇與論證 ........................................................................................................2 本設(shè)計(jì)采用方案及原理 ............................................................................................................3三、系統(tǒng)硬件設(shè)計(jì) ...............................................................................................................................4 單片機(jī)最小系統(tǒng)設(shè)計(jì) .................................................................................................................4 溫濕度采集電路 ........................................................................................................................5 電源電路 ....................................................................................................................................6 光敏電阻接入電路 ....................................................................................................................6 鍵盤(pán)電路 ....................................................................................................................................8 LCD顯示電路 .............................................................................................................................8 報(bào)警電路 ....................................................................................................................................9 串行接口電路 ............................................................................................................................9 ...............................................................................................................................10 主程序設(shè)計(jì) ..............................................................................................................................10 LCD12864模塊程序 .................................................................................................................11 DHT11模塊程序 .......................................................................................................................12 光敏電阻模塊程序 ..................................................................................................................14 ...........................................................................................................................15 ..........................................................................................................15 性能分析 ..................................................................................................................................15 .......................................................................................................................................16參考文獻(xiàn) .............................................................................................................................................172 / 29附錄 1 程序清單 ................................................................................................................................18附錄 2 電路原理圖 ......................................................................................
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