IRJET- RFID based Shop Billing Machine using Raspberry Pi

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 06 Issue: 09 | Sep 2019 www.irjet.net p-ISSN: 2395-0072
© 2019, IRJET | Impact Factor value: 7.34 | ISO 9001:2008 Certified Journal | Page 16
RFID Based Shop Billing Machine using Raspberry Pi
Ms. Disha Dilip Ved1, Prof. P. B. Ghewari2
1Student, E&TC Dept. of AMGOI Engineering, Maharashtra, India
2HOD, E&TC Dept. of AMGOI Engineering, Maharashtra, India
----------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - Today’s world is inventing more and more
technical solutions to make human life easierthanitalreadyis
with every passing moment. By creating a smart billing
machine that takes care of comfort while shopping is another
step taken in the same direction. As we go for shopping in any
mart or malls, we observe the long and long line waiting to
pay the bill. For such type of systems, usually, the barcodesare
being used for so long time. It consumes very much of time as
we have to scan every item. Also for the scanning purpose, line
of sight communication has to happen, whereas the RFID can
be read without a line of sight. An RFID reader can access the
information of the tag from a distance of around 300 feet,
whereas barcode technology cannotbereadfromadistanceof
more than 15 feet.
Barcodes and RFID are similar in that they are both data
collection technologies, if compared, RFID technology isfound
to be more comprehensive than barcode technology.
Key Words: RFID, Raspberry Pi, Python.
1. INTRODUCTION
Electronic Commerce has become extremely popular
with the rise in wireless technologies and other
communication techniques. Purchasing and shopping
in big malls are becoming a daily activity in metro
cities. There is a huge rush in such places during
weekends and holidays. People purchase different
items and put them in trolley. After completion of
purchases, one needs to go to the billing counter for
payments. At the billing counter, the cashier prepares
the bill using bar code reader which is a very time-
consuming process and results in the long queue at the
billing counter. A smart product is the one that aids
comfort, convenience, and efficiency in everyday life. In
this paper, we discuss an innovative concept of
Intelligent Smart Shopping and Billing. The key idea
here is to assist a person in everyday shopping in terms
of reduced time spent while purchasing a product. The
main goal is to provide a technology oriented,
economical, easily scalable, and rugged system for ease
of his activity. The barcode technology needs the direct
line of sight to read; sometimes it is unable to scan as
well. So this problem will be overcome by using RFID
technology. The aim of the project is to create a
convenient and user friendly environment for the
customers. It also aims to intelligently coordinate all
appliances communicating together, thereby ensuring
greater comfort of purchasing things. In our approach,
the RFID tags will be given to the customers. And the
material they require will be written to the card. And
once they done with shopping, they will go to the
billing system where the reader will generate
appropriate bill. The results of this project will be the
Bill will be generated by just putting the RFID card on
the reader which is interfaced with Raspberry Pi.
Table 1.1.1 Specifications of System
Sr.No. Description Specification
1 Raspberry Pi 3B+
2 MFRC522 Reader & Writer
3 RFID Tag Passive
4 Display 7” or Monitor
5 Software Python 3.7
2.1 Interfacing
FIGURE 2.1 INTERFACING OF SYSTEM
2.1 DETAILS OF ARCHITECTURE
2.1.1 Raspberry Pi
FIGURE 2.1 Raspberry Pi

Raspberry Pi is a compact board which has no. of ports
to interface other peripherals like USB, HDMI mouse,
and keyboard. Just by connecting the peripherals we
can replace the whole CPU by this tiny board. It works
on the ARM11 processor. The procedure for setting up
the Raspberry Pi is as follows:
1. First of all format the microSD card by using the
software SD formatter.
2. Download the Raspberry Pi's operating system
image file.
3. Burn it on the MicroSD card using Win32Disk
Imager.
4. After burning, remove the SD card from the laptop
and insert it in Raspberry Pi.
5. By powering on, it will start boot and will display
the options.
6. In this, we have to enable the SPI and I2C mode.
7. We have to enable Wi-Fi connection for accessing
the internet for updating and downloading the
libraries.
By using these steps, we can set up the raspberry Pi.
Also we can go for another settings.
2.1.2 RFID Module RC522
FIGURE 2.2 RC522 Module
Table 2.1.1 Pin connections of RC522 to Raspberry Pi
RC522 Header Pi Header Notes
3.3V 1 3.3V
RST 22 GPIO25
GND 6 Ground
IRQ – Not connected
MISO 21 GPIO9
MOSI 19 GPIO10
SCK 23 GPIO11
SDA 24 GPIO8
 Voltage: DC 3.3V
 Operating Current :13-26mA
 Idle Current :10-13mA
 Operating Frequency: 13.56MHz
 Supported card types: mifare1 S50, mifare1
S70.
 Dimensions: 40mm × 60mm
 Module Interface SPI Data Transfer Rate: Max.
10Mbit/s
 Card reading distance ：0～30mm.
For communication of two devices i.e. RFID card and
Raspberry Pi, the Reader and Writer interface is MFRC card.
NFC stands for Near Field Communications. These are
mainly used for contactless payments, RFID based
attendance systems, etc. NFC is a peer to peer technology
which works on short-range wirelesssystemswhichoperate
at 13.56 MHz and the approximate baud rateis 106kbit/sto
424 Kbit/s. By fetching the data writtenontheRFIDcard,we
can generate the bill by using some software interfaces.
2.1.3 RFID Tags
RFID is nothing but Radio Frequency Identification. RFID
uses electromagnetic fields to identify and track tags
attached to objects. The tags contain electronically saved
information. There are two types of RFID cards. The first is
passive and second is the active card. The passive tags do
not need any power supply for its operation; whereas active
tags need the power supplyforreadingandwriteoperations.
2.1.4 Display
The Display performs the intimidator role with this system.
We have designed the program in python to provide the GUI
(graphical user interface). We can connect the touch screen
display or a monitor. It supports both the hardware. To add
and remove the purchased items, it will be easier to use
display. If the touchscreen is being used, we have to take
care that the drivers of the display must be available, unless
the display will not work properly.

2.1.5 Software
Any embedded system needs some program to operate in
the required manner. For the raspberry pi, Raspberry,
NOOBS, Ubuntu is the operating systems. From these,
Raspbean is used in our system. As well as for programming
of raspberry pi, Python 3.7 is used. Python is a high-level
general-purpose programming language. Created by Guido
van Rossum and first released in 1991, Python has a design
philosophy that emphasizes code readability, notably using
significant whitespace. It provides constructs that enable
clear programming on both small and large scales. Van
Rossum led the language community until stepping downas
leader in July 2018.
3.1 Key Steps of the system
1. Writing and reading of the Card:
FIGURE 3.1 Key Steps of the System
The system is designed in such a way that, the person who
wants to buy the product will be given an RFID card. The
shopkeeper will insert one by one item on the card just by
putting the tag on the RFID Module. The customer will keep
this card with him till he leaves the shop. At the time of
billing, that card will be again put on the reader and the final
bill will be generated.
For this particular operation, we will access a web page
which will be available on one web page.
By using network connections, we will be able to determine
the sale of the shop. Also the requirement of particular
goods in the shop. Thus because of this, we will be able to
calculate the sale and purchase ratio.
3. Conclusion
This paper gives detailed design RFID based shop billing
machine using Raspberry Pi. By using RFID and Raspberry
Pi, we can implement this system successfully.
References
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2] ShraddhaDhomase, SamruddhiMahabaleshwarkar
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ISSN; 1; 2278.8727Volume16, Issue 1, Ver. VII (Feb. 2014),
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4] Mr.P. Chandrasekar and Ms.T.Sangeetha "SmartShopping
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10] A Bogdanchikov1, M Zhaparov1 and R Suliyev1 1
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