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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 2. Basic Architecture of an IoT Prototype FREE CHAPTER 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

Building a Smart E-Ink To-Do List

Our use of MQTT in Chapter 5, Building Your Own Automatic Pet Food Dispenser, was very simplistic. We were only sending (empty) messages to a channel the Arduino was subscribed to. In this project, we will make use of the payload, which can be used to append text (or binary data) to an MQTT message.

Our mission is to build a smart e-ink display that can be used to remind yourself of tasks such as taking out the trash or buying milk. You can hang it next to your door so you can always see what needs to be done when you leave your flat or house. E-ink displays are great for displaying text or images that do not change often. You have probably heard of eBook readers before. They use e-ink displays as well. E-ink displays are very energy efficient and only consume energy when the content is being updated. Once new content is...

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