Parking Lot Security System using RFID Technology

International Journal of Trend in Scientific Research and Development (IJTSRD)
Volume 3 Issue 5, August 2019 Available Online: www.ijtsrd.com e-ISSN: 2456 – 6470
@ IJTSRD | Unique Paper ID – IJTSRD26512 | Volume – 3 | Issue – 5 | July - August 2019 Page 906
Parking Lot Security System using RFID Technology
Dr. Thida Aung
Professor and Head of Electronic Engineering Department,
Technological University, Lashio, Northern Shan State, Myanmar
How to cite this paper: Dr. Thida Aung
"Parking Lot Security System using RFID
Technology"
Published in
International
Journal of Trend in
Scientific Research
and Development
(ijtsrd), ISSN: 2456-
6470, Volume-3 |
Issue-5, August 2019, pp.906-910,
https://doi.org/10.31142/ijtsrd26512
Copyright © 2019 by author(s) and
International Journalof Trendin Scientific
Research and Development Journal. This
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/4.0)
ABSTRACT
Radio Frequency Identification (RFID) technology is widely used in various
applications such as attendancesystem, trackingsystem,monitoringsystemor
parking system. In this paper, the Parking Lot Security System using RFID
technology and embedded technology is presented. In conventional parking
system, manual entrance system is applied that permission mustberequested
from the security guard to access the premise. Therefore, a security guard has
to be hired to monitor the premise. In addition, the security guards need to
monitor all movement of the vehicle that enters or leave the premise. As a
result, the unauthorized vehicle can easily access the premise. To address this
problem, the proposed system which can control a vehicle’s movement that
enters or leave the specific area or place by scanning the RFID tag has been
implemented. The potential benefit is it can improve securityforboth security
guards and users. Besides that, thisparkingsystem can facilitate accesscontrol
for users and improve traffic flow and reduce traffic jams.
KEYWORDS: RFID; embedded technology; security; traffic jams
I. INTRODUCTION
There are over 550 million cars on the road worldwide, and this
number is increasing at a rate of more than 5% annually. As the
number of vehicles grows, so does the demand for convenient and
safe parking. Automated parking, a method of automatically parking
and retrieving cars, solves these problems and many other parking-
related problems.
The automated parking system can be implemented
by applying different technology and topology for
the specific applied area. In this paper, simple but
cost-effective and more secure parking system based
on RFID technology and embedded technology has
been presented. Basically, an RFID system is
electronically programmed with unique code and
information. The category of RFID system depends
on the frequency ranges like low frequency (30 kHz
to 500 kHz), middle frequency (900 kHz to
1500MHZ) and high frequency (2.4GHZ to 2.5GHZ).
Radiofrequency identification (RFID) is an automatic
identification method in which the data are stored in
the RFID tags. This RFID tag is placed inside the
vehicles for identification and tracking by using the
RF frequency. Nowadays this technology is used in
the vehicles parking in the shopping centers
buildings, toll plazas for minimizing the chance of
traffic jams as well as for maximizing the security.
The RFID card is used to identify that a user is legal
or not. According to the short-distance wireless
signal, the RFID tag users can be monitored within
the specific area.
The proposed system is mainly composed of PIC
microcontroller, RFID reader, IR sensors. Other
necessary components are 4x4 Keypad, Buzzer,
Stepper Motor Drivers and Stepper Motors. PIC
Microcontroller is the heart of the system and
program that control all the operations of the system
has been developed by C programming language.
The overall block diagram of the system is shown in
Figure 1.
Figure 1 Overall Block Diagram of the System
IJTSRD26512

International Journal of Trend in Scientific Research and Development (IJTSRD) @ www.ijtsrd.com eISSN: 2456-6470
II. OPERATION OF THE SYSTEM
To get started with RFID-based car parking system,
the car owner has to first register the car with the
parking owner and get the RFID tag. The incoming
car drivers will be provided with an RFID card. The
car parking owner must keep the ID of RFID card
with a password and there is no limit quantity for
this case. RFID reader controlled with PIC is fixed at
the entrance gate to which the card bearing cars will
enter. When the car reaches the gate, the card will
be placed on the reader. As soon as the RFID tag is
read by the reader, the system automatically reads
the specified ID number from the RFID tag. If the
card is correct, the gate-rod will be lifted (open) by a
motor controlled with PIC microcontroller to allow
the car inside the parking area.
At the existing gate, two IR sensors are fixed to
detect the body of the car. Only then, when the car
reaches the exit gate, the gate-rod will be lifted
(open) by a motor controlled with PIC
microcontroller. The system also offers the facility
to recharge the amount for each RFID tag. No
manual processing is involved and in addition, the
system provides security. The flowchart of the
operation of the system is shown in Figure 2.
Figure2. Flow Chart of the Operation of the System
III. HARDWARE COMPONENTS
A. Arduino UNO-R3
It's an open-source physical computing platform
based on a simple microcontroller board and a
development environment for writing software for
the board. Arduino can be used to develop
interactive objects, taking inputs from a variety of
switches or sensors, and controlling a variety of
lights, motors, and other physical outputs An
Arduino is a tiny computer that you can program to
process inputs and outputs going to and from the
chip. It is connected to PC using the USB cable. It is
an open-source electronics prototyping platform
based on flexible, easy to use hardware and
software. It„is intended for artists, designers,
hobbyist and engineers. Arduino can sense the
environment by receiving input from a variety of
sensors and can affect its surroundings by
controlling lights, motor and other actuators. The
microcontroller on the board is programmed using
the Arduino programming language.
Figure 3. Arduino UNO-R3
B. PIC Microcontroller
PIC is a family of microcontrollers made by
Microchip Technology, derived from the PIC1650
originally developed by General Instrument's
Microelectronics Division. The name PIC initially
referred to Peripheral Interface Controller then it
was corrected as Programmable Intelligent
Computer. Early models of PIC had read-only
memory (ROM) or field-programmable EPROM for
program storage, some with provision for erasing
memory. All current models use flash memory for
program storage, and newer models allow the PIC to
reprogram itself. Program memory and data
memory are separated. Data memory is 8-bit, 16-bit,
and, in the latest models, 32-bit wide. Program
instructions vary in bit-count by family of PIC, and
maybe 12, 14, 16, or 24 bits long. The instruction set
also varies by model, with more powerful chips
adding instructions for digital signal processing
functions. Today, a huge variety of PICs are available
with various onboard peripherals (serial
communication modules, UARTs, motor control
kernels, etc.) and program memory from 256 words
to 64K words and more.
PIC 16F877 is chosen as the main controller for this
system because it meets the requirements of the
system and it has rich features. PIC 16F877 is the
mid-range pic and it has 40 pins.

Figure4. PIC 16F877 Microcontroller
C. RFID Reader
The RFID reader requires 5V supply (it can be
supplied from the same supply as PIC. This can read
125 kHz frequency and it is compatible with most
kinds of RF cards. It can be connected directly to PIC
microcontroller using the USART module to give
9600bps TTL and RS232 output.
RDM6300 125 KHz card mini-modules is designed
for reading code from 125KHz/ 134.2KHz card
compatible read-only tags and read/write a card. It
can be applied in office/home security, personal
identification, access control, and forgery,
interactive toy and production control systems etc.
RDM6300 Series non-contact RFID module, use the
advanced RF receiving circuit and embedded MCU
design, combing with high efficient decoding
algorithm, to finish the data receive of EM4100 and
all the compatible cards. This is a very popular RFID
card read module for microcontroller users, it can
read the 125K EM4100 series RFID card. This
module is easy to use, serial port connects to
microcontroller MCU after power-up, when the RFID
card enters into card reading range, this module will
send the card number to the microcontroller by
UART.
Figure 5.RFID RDM3600
D. Stepper Motor
A stepper motor is an electromechanical device
which converts electrical pulses into discrete
mechanical movements. The shaft or spindle of a
stepper motor rotates indiscrete step increments
when electrical command pulses are applied to it in
the proper sequence. The motors rotation has
several direct relationships to these applied input
pulses. The sequence of the applied pulses is
directly related to the direction of motor shafts
rotation. The speed of the motor shafts rotation is
directly related to the frequency of the input pulses
and the length of rotation is directly related to the
number of input pulses applied. One of the most
significant advantages of a stepper motor is its
ability to be accurately controlled in an open-loop
system. Open-loop control means no feedback
information about the position is needed. This type
of control eliminates the need for expensive sensing
and feedback devices such as optical encoders.
Figure 6. Stepper Motor
E. IR Sensor Module
IR sensor is a very popular sensor, which is used in
many applications in electronics like it is used in
Remote control system, Motion detector, Product
counter, Line follower Robots, Alarms etc. Infrared
Obstacle Sensor Module has a built-in IR transmitter
and IR receiver that sends out IR energy and looks
for reflected IR energy to detect the presence of any
obstacle in front of the sensor module. The module
has an onboard potentiometer that lets the user
adjust detection range. The sensor has a very good
and stable response even in ambient light or in
complete darkness.
The Obstacle Avoidance Sensors usually come in
two types - with 3 and 4 pins. The 3 pin version does
not have the ability to be enabled/ disabled. The 4
pin version has optional Enable pin.
Figure.7 IR Sensor
F. 20X4 LCD Display
A Liquid Crystal Display (LCD) is an electronic
device that can be used to show numbers or text.
There are two main types of LCD display, numeric

displays (used in watches, calculators etc.) and
alphanumeric text displays. The LCD screen is an
electronic display module and finds a wide range of
applications. An LCD display modules are preferred
over seven segments and other multi segment LEDs.
The reasons being: LCDs are economical; easily
programmable; have no limitation of displaying
special & even custom characters (unlike in seven
segments), animations and so on.
A 20x4 LCD means it can display 20 characters per
line and there are 4 such lines. In this LCD each
character is displayed in the 5x7 pixel matrix. This
LCD has two registers, namely, Command and Data.
The command register stores the command
instructions given to the LCD. A command is an
instruction given to LCD to do a predefined task like
initializing it, clearing its screen, setting the cursor
position, controlling display etc. The data register
stores the data to be displayed on the LCD. The data
is the ASCII value of the character to be displayed on
the LCD. The HD44780 is a common LCD controller
and is very widespread through various formats, 1 x
8, 2 x 16, 2 x 20, 4 x 20 and others. This example
uses the very popular 4x20 format (4lines of 20
characters) which is now offered at a very
reasonable price. Other LCD display modules based
on compatible ST7066 or KS0066U controllers
could also be used.
The low power supply (2.7V to 5.5V) of the
HD44780U is suitable for any portable battery-
driven product requiring low power dissipation. A
single HD44780U can display up to one 8-character
line or two 8-character lines.
Figure 8. .HD44780 LCD Display Module
G. 4x4 Matrix Keypad
Matrix keypads use a combination of four rows and
four columns to provide button states to the host
device, typically a microcontroller. Underneath each
key is a pushbutton, with one end connected to one
row, and the other end connected to one column.
These connections are shown in Figure.
Figure 9. 4x4 Matrix Keypad
IV. TESTS AND RESULTS
The system has been implemented step-by-step and
in each step, experimental testing has been made to
make sure that there is no error. Moreover, the
important thing is to get the expected results. Tests
and results of the main steps involved in
implementing the system are described as follows.
Firstly, PIC microcontroller is connected with the
LCD step by step using wires. The pin
numbers(4,5,6,11,12,13 and 14) of LCD are
connected with the pin numbers (34,35,33,37,38,39
and 40) of PIC microcontroller in serial respectively.
Testing and result of the interfacing PIC
microcontroller and LCD are shown in Figure.
Figure 10. Testing and Result of Interfacing PIC
Microcontroller with LCD Display
Secondly, PIC microcontroller is connected with 4x4
keypad step by step using wires. The pin numbers
(1,2,3,4,5,6,7 and 8) of 4x4 keypad are connected
with pin numbers (19,20,21,22,27,28,29 and 30) of
PIC microcontroller in serial respectively.
Figure 11. Test and Result of Interfacing 4x4
Matrix Keypad, LCD Display and PIC
After that, PIC microcontroller is connected with
RDM6300 RFID module step by step using wires.
The pin numbers (RX and TX) of RDM6300 RFID
module are connected with pin numbers (25 and
26) of PIC microcontroller in serial respectively.

Figure 12. Test and Result of Interfacing RFID Reader
Module with PIC Microcontroller
Finally, stepper motor, stepper motor driver and PIC
microcontroller are tested as shown in Figure 13.
Figure 13. Test and Result of Interfacing Stepper Motor
with PIC Microcontroller
Figure 14. Final Assembly of RFID Based Parking Lot
Security System
V. CONCLUSION
A secure and well-managed parking lot system has been
successfully implemented by using RFID technology and
embedded technology. This system is ideal for apartments
and condos, gated communities, business parking lots,
garages and university parking area. It offers the users
convenience, safety and reliability. The point that only
authorized users can access the system to make the system
more secure and reliable. Moreover, the unauthorized user
will be denied and the alarm will be activated automatically.
By using the proposed system, personnel cost can be cut of
and traffic jam problems can be solved to some extent by
faster check-ins and check-outs.
VI. FURTHER EXTENSION
For stronger security, the system can be integrated with the
videosurveillance system. In order toincreasethenumberof
slots and its capacity, high-end PIC microcontroller like
18FXXXX series can beused.InsteadofusingIRsensors,RFID
read and write card can be substituted for high security. By
expanding this system we can also use this system to collect
revenue for the parking in an efficient manner.
Acknowledgment
The author would like to express her sincere gratitude and
deep appreciation to Dr. Theingi, Rector, Technological
University (Thanlyin), because of her valuable suggestions
and guidance. The author also thanks my colleagues in the
Department of Electronic Engineering, Technological
University (Lashio) for their help during developing this
system.
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Parking Lot Security System using RFID Technology

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