🤖 Arduino HC-05 Bluetooth Controlled Robot

🔧 Developed using Arduino (UNO/Nano) and Embedded C (Arduino IDE)
📱 Controlled wirelessly via HC-05 Bluetooth Module and Android app

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📚 Table of Contents

• 📌 Project Overview
• 🎯 Features
• 🧰 Tools & Technologies
• 📁 File Structure
• 🔧 Hardware Setup
• 🚀 How to Run the Project
• 📈 Output & Demo
• 🧠 Circuit Design
• 🙋‍♂️ Developer Info
• 🏷️ Tags

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📌 Project Overview

This project demonstrates a Bluetooth-controlled robotic vehicle using an Arduino microcontroller. The robot receives commands from a mobile Bluetooth application and moves accordingly.

🎯 Purpose of the project:

• Learn Bluetooth-based wireless communication
• Understand motor driver interfacing
• Implement real-time embedded control logic

📹 A real working demo video is included in this repository.

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🎯 Features

✨ Wireless Bluetooth control
📱 Android mobile app interface
⚙️ Forward, backward, left & right motion
🔁 Real-time response
🔋 Battery powered
📹 Real working prototype (video proof)

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🧰 Tools & Technologies

Tool / Component	Usage
Arduino UNO / Nano	Main controller
HC-05 Bluetooth Module	Wireless communication
L298N Motor Driver	Motor control
Arduino IDE	Programming
Git & GitHub	Version control
Markdown	Documentation

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📁 File Structure

Arduino-Bluetooth-Controlled-Robot/ ├── code/ │ └── arduino_bluetooth_robot.ino ├── circuit/ │ └── connection_diagram.png ├── demo/ │ └── working_video.mp4 └── README.md

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🔧 Hardware Setup

🔌 Components Used

• Arduino UNO / Nano
• HC-05 Bluetooth Module
• L298N Motor Driver
• DC Motors
• Battery Pack
• Robot Chassis & Wheels

🔗 Connection Summary

• HC-05 TX → Arduino RX
• HC-05 RX → Arduino TX (via voltage divider)
• L298N IN pins → Arduino digital pins
• ENA & ENB → PWM pins

(Refer to circuit diagram in the circuit/ folder)

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🚀 How to Run the Project

🛠️ Step-by-Step Instructions

1. Open Arduino IDE
2. Load arduino_bluetooth_robot.ino
3. Select correct Board and COM Port
4. Upload the code to Arduino
5. Power the robot
6. Pair HC-05 with mobile (default PIN: 1234)
7. Send commands from Bluetooth app

📲 Control Commands

Command	Action
F	Forward
B	Backward
L	Left
R	Right
S	Stop

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📈 Output & Demo

🤖 Robot Behavior

• Responds instantly to Bluetooth commands
• Moves smoothly in all directions

📹 Demo video available in:

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🎥 Project Demo Video

▶️ Watch the working demo here:
https://github.com/krishisharma301/Arduino-Bluetooth-Controlled-Robot/blob/main/demo/Workingvideo.mp4

🙋‍♂️ Developer Info

👤 Krushna Sharma
🎓 Robotics & Automation Engineering Student
🔗 GitHub: https://github.com/krishisharma301
🔗 LinkedIn: https://linkedin.com/in/www.linkedin.com/in/krushna-sharma-612575324

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🏷️ Tags

#Arduino #BluetoothRobot #EmbeddedSystems #Robotics
#HC05 #L298N #EngineeringProject #Internship