智能门禁系统的设计

Design of intelligent access control systemAbstractWith the development of the electronics industry,particularly radio card applications technology,intelligent access gradually rise in recent years.Subsequently,password and IDcard as proof oflicense access into people's eyes,is understood and applied slowly and familiar.IC card contains a unique tag (ID),to authorize it after processing can become a special key,ICcard is an important part in access control system.Firstly,The design introduces the the concept and the working process of radio frequencyidentification (RFID)technology.Then,we introduce controller STC89C52 and IC card readerMFRC522 and screen LCD12864.This design elaborated from both hardware and software.Building control circuit to read ICcard,displaying in LCD is the core within hardware design ;software part mainly through the Clanguage to complete operation and data communication between every modules.Keywords:radio frequency identification,Intelligent access control,MFRC522,STC89C52