Description: Using the matrix keyboard and 1602 to realize the simple password lock function, and can save the password in the 24C02, to achieve the function that the password will not be lost after the single chip computer power off. By keystroke continuous input error three times, the key will be locked, and can no longer input. Enter the correct two times continuously and enter the password change option. The initial password is 000000. If you forget the password, you can enter the 131420 initialization password.
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File list (Check if you may need any files):
| Filename | Size | Date |
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| 密码锁 | 0 | 2018-01-09
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| 密码锁\密码锁 | 27319 | 2018-01-06
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| 密码锁\密码锁.c | 16049 | 2018-01-05
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| 密码锁\密码锁.hex | 6761 | 2018-01-06
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| 密码锁\密码锁.lnp | 44 | 2018-01-06
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| 密码锁\密码锁.LST | 42043 | 2018-01-06
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| 密码锁\密码锁.M51 | 41744 | 2018-01-06
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| 密码锁\密码锁.OBJ | 32967 | 2018-01-06
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| 密码锁\密码锁.plg | 175 | 2018-01-09
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| 密码锁\密码锁.uvopt | 55229 | 2018-01-06
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| 密码锁\密码锁.uvproj | 13274 | 2017-12-15
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| 密码锁\密码锁_uvopt.bak | 55227 | 2018-01-05
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| 密码锁\密码锁_uvproj.bak | 13061 | 2017-12-14 |
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