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pratibha gahlot

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  • Jul 20,2025
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Chandrayaan-3 Inspired Rover Model with Obstacle Detection

This project is a working model inspired by ISRO's Chandrayaan-3 lunar rover mission. The purpose of the project is to help students understand the basics of robotics, obstacle detection, and wireless control using Arduino and ESP8266. The rover model replicates the concept of terrain navigation and autonomous obstacle avoidance.

Chandrayaan-3 Inspired Rover Model with Obstacle Detection
 
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Hardware Components

  • ESP8266 IOT board

    X 1
  • Male to male jumper wire

    X 20
  • Ultrasonic Sensor - HC-SR04

    X 1
  • Wheels

    X 4
  • Rechargeable Battery, Lithium Ion

    X 1
  • Arduino UNO

    X 1 fenxiang

Tools, APP Software Used etc.

  • Screwdriver

  • Soldering iron

  • Solder Wire, Lead Free

  • Hot glue gun

Story

Project Title: Chandrayaan-3 Inspired Rover Model with Obstacle Detection

Guided by: Pratibha Gahlot\ Department: Electronics and Communication Engineering\ College: Aravali

College of Engineering and Management

 

1. Introduction

This project is a working model inspired by ISRO's Chandrayaan-3 lunar rover mission. The purpose of the

project is to help students understand the basics of robotics, obstacle detection, and wireless control using

Arduino and ESP8266. The rover model replicates the concept of terrain navigation and autonomous

obstacle avoidance.

2. Features

Wireless control capability using Wi-Fi (ESP8266)

Obstacle detection using ultrasonic sensor

Autonomous navigation logic

Compact, lightweight rover design

Rechargeable battery-powered mobility

3. Components Used

Arduino Uno

ESP8266 Wi-Fi Module

Ultrasonic Sensor

Motor Driver (L298N)

4 Gear Motors

4 Wheels

Jumper Wires

Rechargeable Battery with Case

3ft x 3ft Platform (for demo)

4. Block Diagram

[Ultrasonic Sensor] ---> [Arduino UNO] ---> [Motor Driver] ---> [Gear Motors +

Wheels]

|

[ESP8266 Module]

|

[Battery Power Supply]

5. Circuit Schematic

(Refer to the attached schematic diagram image showing connection of components with Arduino UNO)

 

1.

2.

3.

4.

5.

6.

7.

8.

9.

 

1

 

6. Working

The ultrasonic sensor measures the distance from obstacles.

Arduino processes the distance data and decides movement direction.

If an obstacle is within 20 cm, it stops or changes direction.

ESP8266 allows the rover to be monitored or controlled remotely.

7. Arduino Code Overview

#define trigPin 9

#define echoPin 10

#define motor1 3

#define motor2 4

#define motor3 5

#define motor4 6

void setup() {

pinMode(trigPin, OUTPUT);

pinMode(echoPin, INPUT);

pinMode(motor1, OUTPUT);

pinMode(motor2, OUTPUT);

pinMode(motor3, OUTPUT);

pinMode(motor4, OUTPUT);

Serial.begin(9600);

}

void loop() {

long duration, distance;

digitalWrite(trigPin, LOW);

delayMicroseconds(2);

digitalWrite(trigPin, HIGH);

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

duration = pulseIn(echoPin, HIGH);

distance = (duration / 2) / 29.1;

Serial.println(distance);

if(distance < 20) {

digitalWrite(motor1, LOW);

digitalWrite(motor2, LOW);

digitalWrite(motor3, LOW);

digitalWrite(motor4, LOW);

} else {

digitalWrite(motor1, HIGH);

digitalWrite(motor2, LOW);

digitalWrite(motor3, HIGH);

digitalWrite(motor4, LOW);

}

delay(100);

}

8. Applications

Educational demonstrations

Robotics workshops

Model exhibitions based on space missions

STEM learning enhancement

9. Learning Outcome

Students learned practical applications of:

Embedded systems

Wireless communication (IoT)

Robotic movement and obstacle avoidance

Circuit integration and Arduino programming

10. Conclusion

This Chandrayaan-3 rover model provides an engaging and innovative way for students to learn robotics

and embedded systems. It bridges theoretical knowledge and real-world engineering through a hands-on

project.

https://www.dropbox.com/scl/fi/3emx26qt8fjzz15g7j363/VID_20250720_010642_188.mp4?rlkey=dgdxnpe65e2lzh9jpzvae31gp&st=kwjov62a&dl=0

 
 
 
 
 
 
Code
  • Chandrayaan-3 Inspired Rover Model with Obstacle Detection

    https://www.dropbox.com/scl/fi/pbvas2ygesev79x7457hy/Document-1.docx?rlkey=x60d7zwpsicwcmqmej78cam4v&st=gkl9f1ej&dl=0
    View
Schematic and Layout
  • block diagram

    https://www.dropbox.com/scl/fi/eyxklp9vmhlvsop1zr23w/Chandrayaan3-Project.pdf?rlkey=zbyeyg8p11xtxuomky8giut6m&st=whmxfzlq&dl=0
    View
CAD-Custom parts and enclosures

Chandrayaan-3 Inspired Rover Model with Obstacle Detection

This project is a working model inspired by ISRO's Chandrayaan-3 lunar rover mission. The purpose of the project is to help students understand the basics of robotics, obstacle detection, and wireless control using Arduino and ESP8266. The rover model replicates the concept of terrain navigation and autonomous obstacle avoidance.

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  • wow great project please use github to upload code and project details its help manage and update and other worldwide contribution support .
    Jul 24,2025 0 comments
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