Rfid Secure Access

Topics: RFID, Serial port, Microcontroller / Pages: 28 (6940 words) / Published: Aug 25th, 2013
RFID BASED SECURED ACCESS SYSTEM USING 8051 MICROCONTROLLER (AT89C51)

BY N.KALYANI (07241A0272) G.NAVYA CHOWDARY (07241A0282) CH.S.A.L.PAVANI (07241A0286) R.SANDHYA RATNA KUMARI (07241A02A0)

CONTENTS

1. 2. 3. 4.

ABSTRACT SCHEMATIC DIAGRAM CIRCUIT DESCRIPTION INTRODUCTION 4.1. RFID MODULE 4.2. MICROCONTROLLER 4.3. MAX 232 4.4. LCD 4.5. KEIL SOFTWARE 4.6. PROTEUS

5.

COMPONENT DESCRIPTION 5.1. AT89C51 5.2. RFID MODULE 5.3. MAX 232 5.4.ISP PROGRAMMER

6. 7.

CODING BIBILOGRAPHY

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

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