片機電子密碼鎖--工程實習報告-資料下載頁
2025-01-18 22:45本頁面
【正文】 f science and technology, in the daily lives of people on insurance safety devices increasingly demanding. To meet the requirements of the use of locks to increase their security, with a password instead of the password key lock came into being. Password lock is safe, low cost, low power consumption, easy to operate, Remember the password to unlock it ， and other advantages. At present the use of electronic locks are mostly based on microprocessor, main devices MCU, the encoder and decoder built into software.SCM system from the system（Mainly AT89S51 microcontroller minimum system）, 44 Matrix keyboard, LCD display and alarm system, With the settings, modify the six user password, Ultra alarm, Ultra Lock, Password error alarm and other functions(P0 port to control the design of the LCD display, Password correctly display password ok！Password error display password error! For more than three times to enter the error automatically lock. The P1 port control keyboard matrix containing the number keys 09 and AF function keys). In addition to the above basic password lock feature, based on the actual situation can also add a remote control functions. The system costeffective, practical function. The system costeffective, practical functionKey words AT89S51 LCD1602 Electronic lock 44 keyboard實 習 報 告 評 語實習單位評語：負責人簽名： 年 月 日指導教師意見：指導教師簽名 年 月 日實習成績（按五級記分制評定）： 負責人簽名 年 月 日
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