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.

Filename	Size	Update
密码锁	0	2018-01-09
密码锁\密码锁	27319	2018-01-06
密码锁\密码锁.c	16049	2018-01-05
密码锁\密码锁.hex	6761	2018-01-06
密码锁\密码锁.lnp	44	2018-01-06
密码锁\密码锁.LST	42043	2018-01-06
密码锁\密码锁.M51	41744	2018-01-06
密码锁\密码锁.OBJ	32967	2018-01-06
密码锁\密码锁.plg	175	2018-01-09
密码锁\密码锁.uvopt	55229	2018-01-06
密码锁\密码锁.uvproj	13274	2017-12-15
密码锁\密码锁_uvopt.bak	55227	2018-01-05
密码锁\密码锁_uvproj.bak	13061	2017-12-14

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