Rfid Based Door Access Control

In the previous post you learned about rfid and keypad based door lock and alert system using arduino in which user had to scan the right tag and enter the right password to open the door lock and the system also sends us the confirmation message.

Rfid based door access control.

The security of any organisation is a priority for the authorities. Rfid security access control system using 8051 microcontroller is an rfid technology based security system. Fig 1 shows a user trying to open the door by placing an rfid tag near the rfid reader. A rfid based door lock or access control system is based on some simple concepts.

Authorised people are provided with unique tags using which they can access that area. In the previous post you learned about rfid and keypad based door lock and alert system using arduino in which user had to scan the right tag and enter the right password to open the door lock and the system also sends us the confirmation message. Rfid based technology is widely used in today s market and you ve probably at least heard of it before this article. A team of five young engineers stuck in alathur during the lockdown has developed an access control system based on radio frequency identification rfid for mosques to manage the covid 19.

One of its renowned applications is a smart door lock system to protect the valuables and secrets behind the. The security concern is for the. Development of an rfid based access control system in the context of bangladesh. In this post you are going to learn about how to build an rfid based access control system using arduino.

An rfid tag consists of a tiny radio transponder. We store a set of rfid card data in our system say 3 or 10 rfid card data. Access control panel hardware is needed to open the lock or door which is only done when the proper access is granted to each authorized cardholder. A radio receiver and transmitter.

This rfid based security system is based on micro controller at89c52 and comprises a rfid module a lcd module for displaying the status and a relay for opening the door. In this post you are going to learn about how to build an rfid based access control system using arduino. Using this system authorization of personnel is carried out with an rfid card and only those with access can enter a secured area. When triggered by an electromagnetic interrogation pulse from a nearby rfid reader device the tag transmits digital data usually an identifying inventory number back to the reader.