RFID Module And Arduino Based Automatic Smart Toll Tax Collection System

In this project, we'll introduce you to the RFID module and Arduino-based Automatic Smart Toll Tax Collection System. There is a great hurry these days to pay the toll fee at toll plazas. Therefore, an automatic toll collector can be employed to lessen traffic and save time. The project's goal is to automatically recognize the RFID tag in a car and display the precise amount that must be paid in order for the user to pass the toll. The user can cross the gate if he pays the fee; else, he will be barred.

Written By Meherunnesa Hossain Ibnath, Sameen Ajreen Rahman, Ekramul Huda Chowdhury

Member of AUST Robotics Club

Students of Department of Computer Science and Engineering, AUST

This project is a smart toll tax collection system demonstration. Think of the Toll Plaza as having n numbers of automobiles. The gate will close as soon as these cars pass through the IR sensor. The LCD will also indicate when it is time to insert the Card into the reader for scanning. After that, you can use RFID to pay a bill by inserting your card. Once the bill has been successfully paid, you can proceed to the 2nd Gate. The gate will open and let you through when a car passes the second IR sensor. If the card is empty, you can add money to it using this RFID and Keypad by typing the appropriate amount.

System Overview

The Automated Toll Collection System employs an RFID reader to determine card validity and balance status. If the card is invalid or has insufficient balance, the LCD displays an "insufficient balance" message. Users can recharge their RFID cards using the keypad.

When a card is recharged, users gain access to pay and pass through the toll gate. The toll gate is controlled by a servo motor, which moves the gate spindle in fixed steps. Upon card swiping, the controller verifies its validity. If valid, the controller instructs the servo motor to rotate counterclockwise, opening the gate. The gate remains open briefly, allowing the vehicle to move. After a delay, the controller signals the servo motor to rotate clockwise, closing the gate.

Flow Chart of The Project

Setup And Operational Guide

Components For This Project

Arduino Uno with atmega328P
IR sensor
Plastic geared Micro servo
Jumper wires & Mini Breadboard
Lithium-ion battery with case
RFID Reader & RFID Card
I2c Module
16x2 Serial LCD Module Display
4x4 keypad
Button

Circuit Setup

Circuit Diagram

Schematic Diagram of Circuit

Arduino Code

How does the system work?

Actual Setup of RFID module and Arduino-based Automatic Smart Toll Tax Collection System

Vehicle Detection: Use sensors such as infrared sensors, ultrasonic sensors, or laser sensors to detect the presence of a vehicle approaching the toll plaza. These sensors can be placed at a suitable distance from the toll booth to ensure accurate detection.

RFID Reader: Integrate an RFID reader module with the Arduino board. When a vehicle is detected, the RFID reader reads the unique identifier stored in the RFID tag affixed to the vehicle's windshield.

Transaction Processing: The Arduino board processes the information received from the RFID reader. It retrieves the vehicle details associated with the RFID tag, such as the vehicle class and account information.

Toll Calculation: Based on the vehicle class and any additional parameters, calculate the toll amount using predefined rules or algorithms. The Arduino board performs the necessary calculations to determine the appropriate toll.

Payment Deduction: If the vehicle has a prepaid account, deduct the toll amount from the account balance. This deduction can be managed by interfacing with a payment gateway or a separate module for financial transactions.

Display and Feedback: Use an LCD display or LED indicators to provide visual feedback to the driver, indicating the toll amount and transaction status. This allows the driver to be informed about the transaction details.

Gate Control (Optional): If the toll system includes physical barriers or gates, interface the Arduino board with suitable motors or solenoids to control their operation.

Transaction Logging: Maintain a log of each transaction, including the vehicle details, toll amount, date, and time. This log can be stored in a local memory module or transmitted to a centralized database for further analysis and record-keeping.

Useful Tools

Tinker Cad - It is a free web application for 3D design, electronics, and coding simulation.
Arduino IDE - A software required to write code and upload it to the Arduino board.
Github Link of The Project - https://github.com/ibnath1122/Automatic-Toll-Collector-System

Summary

This project is a smart toll tax collection system demonstration. The Arduino-based Automated Toll Collection System introduces a highly efficient and advanced approach to toll collection. By seamlessly integrating RFID technology, sensors, and microcontrollers, the system streamlines toll processes and offers benefits such as reduced congestion, enhanced efficiency, and improved user experience. Through rapid vehicle detection, precise toll calculation, and seamless payment processing, this project exemplifies the power of automation in modern transportation. The system's ability to provide real-time feedback to drivers, control gates, and maintain transaction records solidifies its comprehensive functionality.

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