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Robotics and electronics13 books

IoT Basics with NodeMCU

Connect sensors to Wi-Fi with an ESP8266 board

  • Free ebook
  • Intermediate
  • 28 pages
  • 125 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 what the Internet of Things is and build real Wi-Fi projects with a NodeMCU ESP8266 board. You will set up the Arduino IDE, blink an LED, switch it from your phone through a tiny web server, show DHT11 temperature readings on a web page, and understand the cloud, MQTT and security ideas behind real IoT products.

Who it is for

Students of class 9 and above, diploma and BTech beginners.

Contents

  1. What the Internet of Things means
  2. Meet the NodeMCU board
  3. Setting up the Arduino IDE
  4. Your first sketch: blink
  5. Connecting to Wi-Fi
  6. A tiny web server to switch an LED
  7. Reading a DHT11 and showing it on a web page
  8. Sending data to the cloud and the MQTT idea
  9. Security basics for IoT
  10. Five project ideas
  11. Troubleshooting

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

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

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