Title:
locker_with_LCD_and_clock
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- Category:
- SCM
- Tags:
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- File Size:
- 5kb
- Update:
- 2012-11-26
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- 50664462
Description: This procedure used key interrupt scanning 4x4, with lcd display, boot displays a digital clock time (time can not be set up later to join the function), follow the normal bell press the unlock button, if, in order to please enter a password to enter the interface, enter password, if the password is correct, display Welcome, password error buzzer alarm and LCD display the password error, please re-enter. Note: Digital Clock using DS1302 achieved, single-chip microcomputer as a result of talent and learning I have more than a month, so very detailed notes, a beginner can easily understand.
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locker_with_LCD_and_clock.txt
