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Hands-On Internet of Things with MQTT

You're reading from   Hands-On Internet of Things with MQTT Build connected IoT devices with Arduino and MQ Telemetry Transport (MQTT)

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Product type Paperback
Published in Oct 2019
Publisher Packt
ISBN-13 9781789341782
Length 350 pages
Edition 1st Edition
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Author (1):
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Tim Pulver Tim Pulver
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Tim Pulver
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Table of Contents (16) Chapters Close

Title Page
Copyright and Credits About Packt Contributors Preface 1. The Internet of Things in a Nutshell FREE CHAPTER 2. Basic Architecture of an IoT Prototype 3. Getting Started with MQTT 4. Setting Up a Lab Environment 5. Building Your Own Automatic Pet Food Dispenser 6. Building a Smart E-Ink To-Do List 7. Building a Smart Productivity Cube, Part 1 8. Building a Smart Productivity Cube, Part 2 9. Presenting Your Own Prototype 1. Assessments 2. Other Books You May Enjoy

Simplifying the e-paper example

In order to create a code base we can work with, which only includes the code we really need, we have to get rid of the following:

  • Code for different microcontrollers: As we are working with the Arduino MKR WiFi 1010, we don't need code that runs on every possible microcontroller.
  • Code to display images on the e-paper display: We only want to display text. If you want to add image functionality on your own later on, you can re-integrate the bits and pieces to make it work.
  • Code for fast refreshes: There are different ways to refresh the display. We don't update the display very often and can, therefore, use the slower but simpler method.

Deleting code from an existing example (or reading about it) is probably not the most exciting thing to do, but bear with me. Being able to combine existing examples and modify them to your needs...

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