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Robotics and electronics13 books

Build a Line Follower Robot

A complete build guide with two IR sensors, an L298N driver and Arduino

  • Free ebook
  • Intermediate
  • 29 pages
  • 118 KB
  • PDF, English
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Free to download, read, print and share. Not for sale.

About this ebook

What you will learn

Build a robot that follows a black line on its own, from an empty chassis to a tuned, working machine. You will mount and calibrate two IR sensors, wire an L298N driver, understand every line of the Arduino code, test it on a tape track, and explain it confidently at an exhibition.

Who it is for

Students of class 7 to 12 and robotics clubs.

Contents

  1. How a line follower works
  2. Parts, tools and safety
  3. Building the chassis
  4. Mounting and calibrating the IR sensors
  5. Wiring the robot
  6. The logic table
  7. The complete Arduino code
  8. Testing on a track and tuning speed
  9. Troubleshooting
  10. Improvements: more sensors and the PID idea
  11. Presenting at an exhibition

At the end of the book

  • Practice questionsTo check what you have learnt, with the answers after them.
  • GlossaryThe key words of the book, each explained in one sentence.
  • Easy EnglishShort sentences and everyday words, with each new word explained the first time.

Reading, printing and sharing

  1. On a phone or computerTap Read online to open the book in your browser, or Download to keep it and read it without the internet.
  2. To printThe pages are A5, half the size of A4. Choose two pages per sheet in the print settings to fit two pages on each A4 sheet.
  3. To shareSend the link to this page, or the PDF itself, to friends, classmates or students. The book is free for everyone.

Safety first. Electronics in these books runs on cells and batteries of up to 12 V, never on mains electricity. Soldering, hot glue, cutters and chemicals need an adult nearby for younger students.

Courses

Courses this book supports

Students of these courses also find the book in the student portal, with the other ebooks for their course.

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