基于指纹IC卡的楼宇门禁系统的设计

AbstractWith the development of science and technology and the improvement ofpeople's living standards,the material property of the family in China hasmade a qualitative leap over the past decade.It is an urgent task to improvethe awareness of anti-theft and the safety factor of locks.In the past,thetraditional mechanical lock,because of its simple structure and no technicalupdate for a long time,leads to the decrease of safety factor.There are manycases of being prized.In contrast,the emergence of electronic lock is thegeneral trend of the coming of the intelligent age.It has high security,goodflexibility and high safety factor.Even if the intelligent door lock is brokenby force,it can cooperate with other intelligent devices,such as monitoring,to collect the biological characteristics of the suspect in the case of theft.It isof great help to the investigation of later cases.The purpose of this design is to design an intelligent password lock basedon STC89C52,which integrates fingerprint authentication and IC cardauthentication.In this design,STC89C52 chip is used as the main controller,and fingerprint identification module and IC card authentication module areused as the security authentication system.Fingerprint password unlockingand IC authentication can be set through the electronic password input bymatrix keyboard.LCD12864 liquid crystal is used for display and interactivefeedback.The test results show that all the functions of the system havereached all the requirements of the design.Key words:Anti theft security,intelligent door lock,STC89C52 single chipmicrocomputer,IC card