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1、目錄摘要----------------------------------------------------------------------------------------------------2Abstrack-----------------------------------------------------------------------------------------------20引言----------------------------------------------------------------------------------
2、---------------21總體設(shè)計分析-------------------------------------------------------------------------------------32.1溫度傳感器-------------------------------------------------------------------------------------32.1.1溫度傳感器的發(fā)展-------------------------------------------------------------------------32.1.
3、2溫度傳感器的類型-------------------------------------------------------------------------32.1.3工作原理--------------------------------------------------------------------------------------42.1.4主要技術(shù)指標(biāo)--------------------------------------------------------------------------------42.1.5溫度傳感器類型的選擇--------
4、-----------------------------------------------------------42.2PLC類型的選擇-----------------------------------------------------------------------------42.3A/D模塊及其溫度控制編程---------------------------------------------------------------52.3.1A/D模塊的介紹----------------------------------------------------
5、------------------------52.3.2數(shù)據(jù)轉(zhuǎn)換-------------------------------------------------------------------------------------52.3.3軟件編程的思路-----------------------------------------------------------------------------62.4顯示電路-----------------------------------------------------------------------------
6、----------62.4.1MAX7219簡介------------------------------------------------------------------------------62.4.2MAX7219的主要特點---------------------------------------------------------------------62.4.3MAX7219的工作過程---------------------------------------------------------------------62.4.4通訊時序圖------
7、-----------------------------------------------------------------------------72.4.5MAX7219的位寄存器和控制寄存器----------------------------------------------------72.4.6使用MAX7219應(yīng)注意的問題-----------------------------------------------------------82.