ABSTRACT
RFID based Secured access system implemented on 8051 microcontroller . This is a very useful application of RFID (Radio-frequency identification) and is very commonly used in institutes, offices, homes and so on. An RFID system consists of a reader device and a transponder. A transponder or tag has a unique serial number which is identified by the reader. Here RFID has been interfaced with AT89C51 to provide secured access. The relevant messages are also displayed on a 16x2 LCD.
RFID automated access for door controls to buildings, departments, rooms, secured closets (wiring, PBX, etc.) and cabinets is very cost effective and secure to use. Many people do not realize how easy it is to implement card access systems such as card access door or doors using RFID readers and RFID Cards or Keyfobs for Secured Access Control Management. You can even use smart readers for computer rooms and securing individual computers.
In fact access based entrance and exits using access smart technology is rapidly becoming the way of the future for many businesses, government buildings, hospitals, museums and other establishments requiring secured but easy to control access solutions. Access based systems use either 125 kHz RFID or 13.56 MHz RFID readers, cards and keyfobs.
Features:
Low power requirement.
Excellent characters appearance.
Reliability.
Lower cost.
In our project we are implementing the RFID based secured access system by using microcontroller. The system communicates with an administrator PC via a serial communications link and HyperTerminal. RFID technology is based on the concept of magnetic coupling, which is the principle that current flowing in one circuit can induce current flow in
another circuit through a magnetic field generated in the space between the circuits.
RFID based Secured access system implemented on 8051 microcontroller . This is a very useful application of RFID (Radio-frequency identification) and is very commonly used in institutes, offices, homes and so on. An RFID system consists of a reader device and a transponder. A transponder or tag has a unique serial number which is identified by the reader. Here RFID has been interfaced with AT89C51 to provide secured access. The relevant messages are also displayed on a 16x2 LCD.
RFID automated access for door controls to buildings, departments, rooms, secured closets (wiring, PBX, etc.) and cabinets is very cost effective and secure to use. Many people do not realize how easy it is to implement card access systems such as card access door or doors using RFID readers and RFID Cards or Keyfobs for Secured Access Control Management. You can even use smart readers for computer rooms and securing individual computers.
In fact access based entrance and exits using access smart technology is rapidly becoming the way of the future for many businesses, government buildings, hospitals, museums and other establishments requiring secured but easy to control access solutions. Access based systems use either 125 kHz RFID or 13.56 MHz RFID readers, cards and keyfobs.
Features:
Low power requirement.
Excellent characters appearance.
Reliability.
Lower cost.
In our project we are implementing the RFID based secured access system by using microcontroller. The system communicates with an administrator PC via a serial communications link and HyperTerminal. RFID technology is based on the concept of magnetic coupling, which is the principle that current flowing in one circuit can induce current flow in
another circuit through a magnetic field generated in the space between the circuits.
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