Description: The complete program, schematics, PCB diagram (can be used for welding diagram).
With of AT24C02 external memory to support the functionality of Password Power-down save
Design requirements:
1 set 6 password, the password input through the keyboard, if the password is correct, it will open the lock.
The password can be modified by the user s own settings (only supports password 6), the lock is opened to change the password. Change the password again before you enter a password, enter the new password when the need for secondary confirmation, to prevent misuse.
3, alarm, lock the keypad function. Password input error display error, input error will be locked and the alarm for 3 seconds, such as keystrokes within three seconds, and then start three seconds, the number of password input error is more than three times, the buzzer alarm and lock the keypad.
Main functions:
1,1602 LCD or 8 digital pipe menu is displayed. (Please buyers need to select the display mode)
2, the six pa
To Search:
File list (Check if you may need any files):
1602电子锁\1602.c
..........\LCD1602.hex
..........\LCD1602_24C02电子密码锁原理图.pdf
..........\LCD1602_24C02电子密码锁焊接图.pdf
..........\P0361_200311.jpg
..........\P0364_200311.jpg
1602电子锁
LCD1602_24C02电子密码锁焊接图.pdf
LCD1602.hex
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