Building an access control system

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Supervisor:
Albert István
Department of Automation and Applied Informatics

In our everyday life spread RFID systems have gained ground in the operation of buildings too. In a building there are different rooms, offices, where certain people have permission to enter, some people do not. To control the access in such places, RFID identification systems provide us a great opportunity.

The aim of my project is, to build the prototype of a fast, stable, secure and easily modifiable access control system.

This thesis presents several ways of operatation of an access control system and also the detailed solution of the system I have built. The operation was examined by its communication and identification method. I concluded that, the secure biometric access control systems are very expensive and complicated, whereas the card-based systems are however not so secure but chaper and simpler. Therefore I have chosen the RFID identification, where the communication with the database server is Wi-Fi based.

The project has been finished with two IDs in its database. After identification the user has to specify his 4 digit pin code, on a pin pad made by myself in previous semester, and the access is shown by either green or red LED.

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