Robotics Tutorial
Build real robots from scratch
Learn robotics with 10 hands-on lessons. Arduino, sensors, motors, line-following robots, and Bluetooth control — a beginner-friendly intro to building real machines.
What you'll learn
- What a robot actually is — the sense, think, act loop
- The core components: microcontroller, sensors, actuators, power
- Arduino programming: setup() and loop(), digital and analog pins
- Reading sensors — ultrasonic distance, IR line detection, light
- Driving motors with a motor driver, and why you never power them from the board
- Building a line-following robot that corrects its own path
- Adding Bluetooth so you can steer the robot from a phone
- Robotic arm basics: servos, degrees of freedom and reach
Prerequisites
- An Arduino starter kit (or simulator like Tinkercad)
- Basic electronics curiosity
Why learn Robotics?
- Robotics blends hardware, software, and creativity
- High demand in Indian engineering colleges and competitions
- Future-proof skill — automation is everywhere
- Hands-on projects make learning feel real and rewarding
- It teaches debugging in the physical world, where a loose wire looks exactly like a software bug
- Every project here can be built with one inexpensive starter kit — or free in a simulator
Course Curriculum
10 lessons · ~8 hours · self-paced
- 1
Introduction to Robotics
What Actually Makes Something a Robot
- 2
Robot Components Overview
The Controller: Arduino, ESP32 or Raspberry Pi
- 3
Arduino Basics
Reading the Board: What Each Pin Is For
- 4
Reading Sensors
Digital and Analog: Two Different Questions
- 5
Controlling Motors
Why Motors Need a Driver, in Detail
- 6
Building Your First Robot
The Plan: an Obstacle-Avoiding Car
- 7
Line Following Robot
The Idea, and Why It Is Harder Than It Looks
- 8
Bluetooth Controlled Robot
What the HC-05 Module Actually Does
- 9
Robotic Arm Basics
Joints, Degrees of Freedom and Reach
- 10
Next Steps & Advanced Topics
What You Now Know, and What It Is Worth
From the Blog
Guides and tutorials related to Robotics.
Ready to start?
All 10 lessons are free. No credit card. No sign-up required to read.
Start with lesson 1: Introduction to Robotics