【正文】 ....................................................................................................................................................................1 1 系統(tǒng)方案設(shè)計 .......................................................................................................................................................2 方案設(shè)計 .......................................................................................................................................................2 方案論證 .......................................................................................................................................................3 系統(tǒng)工作原理 ...............................................................................................................................................3 2 系統(tǒng)設(shè)計與仿真 ...................................................................................................................................................4 電路設(shè)計 .......................................................................................................................................................4 DS18B20 與單片機(jī)的接口技術(shù) ................................................................................................................4 鍵盤模塊電路設(shè)計 ..................................................................................................................................11 液晶顯示與單片機(jī)的接口電路設(shè)計 .....................................................................................................11 報警 模塊電路設(shè)計 ................................................................................................................................. 19 程序設(shè)計 .................................................................................................................................................... 19 系統(tǒng)主程序流程圖 ................................................................................................................................. 19 各功能模塊軟件設(shè)計 .............................................................................................................................. 19 系統(tǒng)仿真 ..................................................................................................................................................... 19 4 PCB 板設(shè)計 ......................................................................................................................................................... 19 產(chǎn)品的制作 ................................................................................................................................................. 19 PCB 板的制作 ........................................................................................................................................... 19 元器件的安裝 ............................................................................................................................................. 19 元器件的焊接 ............................................................................................................................................. 19 產(chǎn)品調(diào)試 ..................................................................................................................................................... 19 總 結(jié) ................................................................................................................................................................ 19 參考資料 ................................................................................................................................................................ 19 致 謝 ................................................................................................................................................................ 19 附錄 1...................................................................................................................................................................... 19 附錄 2....................................................................................................................................................