RFID BASED BANKING SYSTEM FOR SECURED TRANSACTION
Technical
Specifications:
Title of the project : RFID Based Banking System for
Secured Transaction
Domain : Advanced Embedded Systems Design
Software : Embedded C, Keil, Proload
Microcontroller : AT89S52
Power Supply : +5V, 750mA Regulated Power Supply
Display : LED
5mm, 16 X 2 LCD
Crystal : 11.0592MHz
Data Communication : Through Serial Communication
Applications : Colleges,
Companies, Banks, Industries etc
ABSTRACT:
RFID
is an acronym for Radio Frequency Identification. RFID is one member in the
family of Automatic Identification and Data Capture (AIDC) technologies and is
a fast and reliable means of identifying just about any material object. This
project can be used for security purpose where it gives information about the
authorized persons and unauthorized persons. This project is mainly used in
banks where the persons will be given an ID CODE to access his/her locker
system or his/her account. This can be applied in real time systems to know
about the persons who can access the banks. For the persons without an ID CODE
cannot access the system. Primarily, the two main components involved in a
Radio Frequency Identification system are the Transponder (tags that are
attached to the object) and the Interrogator (RFID reader).
Communication between the RFID reader and tags
occurs wirelessly and generally doesn’t require a line of sight between the
devices. RFID tags are categorized as either active or passive. Active RFID
tags are powered by an internal battery and are typically read/write, i.e., tag
data can be rewritten and/or modified. An active tag's memory size varies
according to application requirements; some systems operate with up to 1MB of
memory. Passive RFID tags operate without a separate external power source and
obtain operating power generated from the reader. This project uses passive tags.
The reader has three main functions: energizing, demodulating and decoding. The
antenna emits radio signals to activate the tag and to read and write data to
it.
In this project,
the RFID module reader typically contains a module (transmitter and receiver),
a control unit and a coupling element (antenna). This module is interfaced with
the micro controller and when the card is brought near to the RFID module it
reads the ID CODE in the card and then compares with the ID CODE of that
present in the system and if it
matches then the RELAY comes to on state and the person gets in and after
sometime the relay gets automatically off.
Then to access your bank i.e., any
transactions to be done then in the system you need to enter your user id and
password using KEYPAD then if it is success you can access in the way you like
to do. If the password is not matching then he will be given only 3 chances
after that, system gets into blocked mode and it indicates this with a buzzer.
For an unmatched card, it alerts a person around by giving a sound through a
buzzer with 3leds dancing.
The significant
advantage of all types of RFID systems is the non contact, non-line-of-sight
nature of the technology. Tags can be read through a variety of substances such
as snow, fog, ice, paint, crusted grime, and other visually and environmentally
challenging conditions, where barcodes or other optically read technologies
would be useless. This project can provide security for the industries,
companies, etc.
This project
uses regulated 5v, 500mA power supply. 7805, a three terminal voltage regulator
is used for voltage regulation. Bridge type full wave rectifier is used to
rectify the ac output of secondary of 230/12v step down transformer. The RFID
module requires a separate +5v power supply.
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