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Robotics and electronics13 books

Build a Bluetooth-Controlled Car

Drive a robot car from a phone with an HC-05 module and Arduino

  • Free ebook
  • Intermediate
  • 29 pages
  • 121 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 car and drive it from an Android phone over Bluetooth. You will learn how Bluetooth serial works, wire an HC-05 module safely with a voltage divider, pair a phone, design command characters, write the complete Arduino code with speed control, headlights and a horn, and fix common problems.

Who it is for

Students of class 8 to 12 and hobbyists.

Contents

  1. How Bluetooth serial works
  2. The HC-05 module and its voltage divider
  3. Parts, tools and safety
  4. Building and wiring the car
  5. Pairing your phone and choosing an app
  6. Command characters
  7. The complete Arduino code
  8. Speed control, lights and horn
  9. Troubleshooting
  10. Driving safely and presenting your car

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 this course also find the book in the student portal, with the other ebooks for their course.

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