🤖 DIY Human Following Robot | Arduino Based Smart Robot 🚶‍♂️ | Science Project Idea 2025

Welcome to Ankur Project!
In this video, I’ll show you how to make a Human Following Robot 🤖🚶‍♂️ that detects and follows a person using ultrasonic sensors and an Arduino.

This project demonstrates basic robotics and automation, where the robot tracks and follows a moving object (human) by calculating the distance using sensors. Ideal for school exhibitions, Inspire Award models, and robotics competitions.

✨ Easy to make, highly interactive, and very engaging!

🧰 Materials Used:
Arduino UNO

2x Ultrasonic Sensors (HC-SR04)

L298N Motor Driver Module

2 or 4 BO Motors

Robot Chassis (Acrylic / Wooden base)

12V Battery

Castor wheel

Jumper Wires

Switch

Ply sheet or Cardboard for body design

⚙️ How It Works:
Ultrasonic sensors detect the human/object by measuring distance.

Arduino calculates where the object is — center, left, or right.

Robot moves forward, left, or right accordingly.

If the person stops or moves out of range, the robot stops too.

A simple but amazing project to understand sensor-based robotics and motion detection.

📥 Circuit Diagram and Code 👇


(Shared in the video or available on request in the pinned comment)

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