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Robotics and electronics13 books

Motors, Gears and Motor Drivers

Make things move: DC motors, servos, steppers and how to drive them

  • Free ebook
  • Beginner to intermediate
  • 28 pages
  • 123 KB
  • PDF, English
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Free to download, read, print and share. Not for sale.

About this ebook

What you will learn

Learn how DC motors, servo motors and stepper motors work, how gears trade speed for strength, and how to control motors from an Arduino with L293D and L298N drivers. By the end you can wire, code and power a small robot base and fix its common problems safely.

Who it is for

Robotics students and project makers.

Contents

  1. How a DC motor works
  2. Speed, torque and current
  3. BO motors and gear ratios
  4. Changing direction with an H-bridge
  5. The L293D driver chip
  6. The L298N driver module
  7. Speed control with PWM
  8. Servo motors
  9. Stepper motors
  10. Wheels, chassis and batteries
  11. Common problems and safety

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.

More from this family

All 13 books in Robotics and electronics

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