This LCD password lock program and simulation is what I used in the project, you can achieve 8 bit password dynamic encryption, a good reference, the document also includes proteus simulation, absolutely right, you can use.

lcdlock\Key Lock (2)
lcdlock\Key Lock (2).asm
lcdlock\Key Lock (2).DSN
lcdlock\Key Lock (2).hex
lcdlock\Key Lock (2).lnp
lcdlock\Key Lock (2).LST
lcdlock\Key Lock (2).M51
lcdlock\Key Lock (2).OBJ
lcdlock\Key Lock (2).opt.bak
lcdlock\Key Lock (2).pdsprj.DESKTOP-D82GEGQ.guoay.workspace
lcdlock\Key Lock (2).plg
lcdlock\Key Lock (2).PWI
lcdlock\Key Lock (2).Uv2.bak
lcdlock\Key Lock (2).uvopt
lcdlock\Key Lock (2).uvproj
lcdlock\Key Lock (2)_Opt.Bak
lcdlock\Key Lock (2)_Uv2.Bak
lcdlock\Last Loaded Key Lock (2).DBK
lcdlock

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