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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

Improving the visual appearance

Let's improve the visual appearance of our food dispenser:

  1. Wrap a piece of paper or cardboard around the dispenser. This way, we can hide the plastic and servo:

Cardboard sleeve around the plastic bottle, fixed using tape
  1. You can use DIN A4 cardboard to build the sleeve. Wrap it around, fix it using tape, and then cut off the top part (next to where the bottle ends) to make it evenly round.
  1. To hide the inner parts even more, we can build another cylinder-like part around the bottom part of our dispenser (near the cap):

Another piece of cardboard is wrapped around the bottom part to form a cylinder and hide the servo motor
  1. Before fixing the cylinder-shaped cardboard, try moving the cap to see whether it still opens and closes properly. When you find a good position, fix it with tape:

The second cylinder-shaped cardboard hides...
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