Smart Retail: Integrating IoT for Enhanced Shopping

V. S. Nishok, Raja S, Aadhi Piranav R T, Dinesh Kumar S, Enbaraj R and Hariharan R M

Department of Electronics and Communication Engineering, SNS College of Technology, Coimbatore, Tamil Nadu, India

Keywords: RFID, IoT, Shopping, Error Detection, Financial Accuracy, Internet of Things.

Abstract: In this work, a smart shopping cart's hardware and software implementation is developed with an emphasis

on affordability, modularity, and usability. Once this solution has been adjusted, traders can immediately

begin using it. It usually tries to satisfy as many end-user requirements as it can. The growing growth of the

Internet of Things has mostly resulted in the automation and optimization of repetitive activities. As a result,

people have more time for their hobbies and careers. Shopping is one of the most time-consuming activities

people perform, particularly in congested areas. Even though e-commerce is undoubtedly growing in

popularity, consumers typically feel compelled to scrutinize the products they purchase and consider any in-

store discounts. In these situations, people are compelled to wait in queues, which can occasionally grow

rather long. Standing in line can lead to a number of stressors and discomforts. Every transaction has an

affordable RFID tag that can be promptly read by a smart shopping cart equipped with an RFID reader.

Another potential addition to this system is smart shelving, which uses RFID scanners and can track inventory

while possibly updating a central server. Because RFID technology can automatically read every item and

determine whether a product's expiration date has gone, it also makes inventory management easier. The IOT

website will be updated with all of the new material.

1 INTRODUCTION

An automatic billing system is a high-end solution

that automates the creation, sending, and

management of invoices according to the billing

flows of businesses. It provides a convenient way of

making payments without allowing humans to enter

calculations and documentation. It is cheaper,

quicker, and more efficient. ABS is crucial to a

number of industries such as e-commerce, energy,

telecom and subscription services. Main Features of

an Automated Billing System. The system automates

essential tasks such as notifying customers of

impending or overdue payments, collecting money

via linked payment gateways, and creating invoices

based on usage or subscription plans. It also tracks

payment history, generates comprehensive reports

and maintains patient data to provide insights for

financial decisions and planning. ABS minimizes

human error and wastes and saves time as well as

administrative costs. It improves the customer

experience through features such as real-time

updates, online payments and easily accessible billing

information. Moreover, it can easily scale to

accommodate a larger number of transactions as the

business expands. The long-term benefits outweigh

the challenges, ensuring improved cash flow and

operational efficiency even though the initial setup

and integration may be expensive. In the present

digital era, it is an essential tool for businesses trying

to optimize their billing processes and deliver

faultless customer service.

2 EXISTING METHOD

The product's quantity is verified using a barcode

scanner. Data is transferred to the PC via ZigBee. To

verify the load on another cart, it lacks a load sensor.

Because the system uses tally for billing and ZigBee

for communication, it operates quite slowly. Every

day, thousands of people go to a supermarket or mall

to buy a variety of goods. Nowadays, in order to buy

a variety of goods at supermarkets or shopping

centers, a trolley is necessary. The process of

purchasing a product might be difficult. The

consumer has to pull the cart each time to retrieve the

items and put them inside. He is also in charge of

managing the cost computation. Customers have to

wait in a long line to pay their bills and scan their

Nishok, V. S., S., R., T., A. P. R., S., D. K., R., E. and M., H. R.

Smart Retail: Integrating IoT for Enhanced Shopping.

DOI: 10.5220/0013916700004919

Paper published under CC license (CC BY-NC-ND 4.0)

In Proceedings of the 1st International Conference on Research and Development in Information, Communication, and Computing Technologies (ICRDICCT‘25 2025) - Volume 4, pages

561-564

ISBN: 978-989-758-777-1

561

purchases after completing a transaction. To avoid

this, we're coming up with a smart shopping strategy.

Each and every item has an RFID tag attached to it.

The smart trolley will include an RFID reader and

transmitter. When the customer scans and adds any

item to the cart, the product name and price will show

up. The total cost of all the products will be included

in the final bill, which will be stored in the micro

controller's memory. The product details of the items

in the cart will be wirelessly transmitted to the main

computer via a transmitter. Consequently, one must

always keep the budget in mind while avoiding the

charging line. Figure 1 shows the flowchart of

existing method.

Figure 1: Existing Method

3 PROPOSED SYSTEM

The smart shopping cart system uses RFID and

weight scanning technology to enhance both the

shopping experience and business operations. The

RFID reader instantaneously confirms a product's

name, price, and quantity when it is put to the cart.

The cart can track the total number of products and

their details in real time because each one has an

RFID sticker that the scanner can read. A weight

scanner is installed inside the cart to determine the

overall weight of the items in order to make sure that

the load does not exceed its capacity. This is vital for

logistics and inventory control and helps store

workers keep an eye on what the cart contains.

NodeMCU simplifies integration with the store's

backend system by sending all of the RFID and

weight scanner data to an Internet of Things website.

This includes product information, the total weight of

the basket, any relevant changes in product demand

or stock levels, etc. An LCD fitted to the cart displays

the purchases, the total weight, and other crucial

details. The method is meant to alert the customer

with a buzzer when a product is ready to expire. This

helps you avoid buying things that should not be sold.

The store has two different IoT sites that show real-

time updates on the demand for products, as well as

supply management and which products to keep an

eye on are in high demand. This smart cart system

makes the shopping experience for customers more

efficient, in addition to improving overall retail

operation efficiency, reducing waste, and maximizing

inventory control. RFID, IoT and weight scanning

have their part to play in making modern purchasing

more efficient and convenient. Figure 2, 3 and 4

shows the prosed method of flowchart and circuit

diagram.

Figure 2: Proposed Method.

ICRDICCT‘25 2025 - INTERNATIONAL CONFERENCE ON RESEARCH AND DEVELOPMENT IN INFORMATION,

COMMUNICATION, AND COMPUTING TECHNOLOGIES

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Figure 3: Flowchart of Proposed Method.

Figure 4: Circuit Diagram of Proposed Method.

4 RESULT

In terms of improving the shopping experience and

streamlining store operations, the Internet of Things-

based smart retail system has demonstrated notable

advancements. The usage of RFID improved

customer satisfaction by speeding up and

streamlining processes. Customers were able to make

well-informed selections thanks to real-time

notifications regarding product expirations and

payment restrictions. By using tailored advertising to

notify customers of overloaded carts, the weight

tracking technology improved safety.

5 CONCLUSIONS

We propose a safe smart retail system based on RFID

in this article. UHF RFID is being used for the first

time to enhance the shopping experience while

addressing security concerns as part of a smart retail

system. We build a prototype to assess the system's

performance after carefully developing the entire

system. We create a secure communication protocol

and offer security research and performance

assessments. Our research is at the forefront of

developing a smart shopping system, and we believe

that RFID technology will be utilized in stores in the

future. Future study will concentrate on enhancing the

current system to increase efficiency. For instance, it

will examine methods to lower computational

overhead at the smart cart side and enhance

connectivity without compromising security aspects.

6 FUTURE SCOPE

Mobile App Integration: Link a mobile app to the

system to provide real-time tracking and alerts.

Improved Inventory Control: AI can be used to

forecast supply requirements and update inventory

automatically. Self-Checkout expedites the checkout

process by enabling customers to pay straight through

the cart. Tailored product suggestions according to

the user's previous purchases. Adaptability Features

that help cut down on waste include tracking product

expiration dates and offering discounts on things that

are about to expire.

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