Abstact
Withtherapiddevelopmentofelectronictechnology,people'sdailynecessitiesandtoolsaregradually
becomingmoreintelligent.Traditionallocksareeasytorustandkeysareeasytobecopied,andthedoor
cannotbeopenedifthekeyislost.Incomparison,electroniclocksarenotonlymoreconvenientto
maintain,butalsogreatlyimprovedinsecurityandconvenience.Accordingtothisrequirement,thispaper
designsanelectroniccombinationlockbasedonSTC89C51chipcontrol,andintroducesthedesignidea,
workingprinciple,softwareandhardwareknowledgei
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