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【正文】 030337102030333102030325姓名楊光歡吳幼斌孫吳波任課教師潘世華 摘要 本系統(tǒng)由單片機系統(tǒng),矩陣鍵盤,led顯示和報警系統(tǒng)組成。系統(tǒng)能完成開鎖,超時報警,操作錯誤報警,輸入狀態(tài)顯示,超次數(shù)鎖定的功能。本系統(tǒng)成本低廉。 關(guān)鍵詞:單片機、矩陣鍵盤、led顯示、報警系統(tǒng) 目錄 引言................................................................................................................................4 ...................................................................................................................5 ..........................................................................................................5 ..........................................................................................................6 ......................................................................................6 ...................................................................7 *3鍵盤電路........................................................................................10 ...............................................................................................11 ........................................................................................................11 ...............................................................................................13 .....................................................................................14 .......................................................................................................15 四、調(diào)試和測試..........................................................................................................15 五、結(jié)論..................................................................................................................16 參考文獻......................................................................................................................17 附錄..............................................................................................................................18 附1:元器件明細表............................................................................................18 附2:儀器設(shè)備清單............................................................................................19 附3:....................................................................................................................19 附4
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