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1、目錄1引言............................................................................................................................21.1課題背景..............................................................................................................21.2目的
2、及意義..........................................................................................................31.3主要完成的任務(wù).................................................................................................42方案比較..............................
3、......................................................................................43硬件電路....................................................................................................................33.1系統(tǒng)電路設(shè)計(jì)...................................
4、...................................................................33.2AT89S52外加電源與重置電路..........................................................................43.3控制單元....................................................................................
5、.........................63.4空氣檢測(cè)單元.....................................................................................................63.4.1TGS2600模塊說(shuō)明.......................................................................................74元器件介紹......
6、..........................................................................................................84.1AT89S52簡(jiǎn)介......................................................................................................94.1.1芯片主要性能和引腳圖................
7、...............................................................94.1.2AT89S52引腳使用簡(jiǎn)介................................................................................94.2AT89S52中斷簡(jiǎn)介............................................................................
8、................115軟件設(shè)計(jì)..................................................................................................................116系統(tǒng)仿真與測(cè)試..................................................................................
