Description: AT89X52 design of electronic locks. According to set a good password, the password used to achieve two key input function, when to enter the correct password, the lock will open, if entered incorrect password three times, on the lock button 3 seconds, the police also found the sound until there is no button three kinds of press after the key lock function to open Otherwise there are still a matter of seconds in the 3 button press on the lock button 3 seconds to re-time and alarm.
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32.txt
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