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Hands-On Internet of Things with MQTT

Hands-On Internet of Things with MQTT

By : Tim Pulver
3.2 (5)
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Hands-On Internet of Things with MQTT

Hands-On Internet of Things with MQTT

3.2 (5)
By: Tim Pulver

Overview of this book

MQ Telemetry Transport (MQTT) is a lightweight messaging protocol for smart devices that can be used to build exciting, highly scalable Internet of Things (IoT) projects. This book will get you started with a quick introduction to the concepts of IoT and MQTT and explain how the latter can help you build your own internet-connected prototypes. As you advance, you’ll gain insights into how microcontrollers communicate, and you'll get to grips with the different messaging protocols and techniques involved. Once you are well-versed with the essential concepts, you’ll be able to put what you’ve learned into practice by building three projects from scratch, including an automatic pet food dispenser and a smart e-ink to-do display. You’ll also discover how to present your own prototypes professionally. In addition to this, you'll learn how to use technologies from third-party web service providers, along with other rapid prototyping technologies, such as laser cutting, 3D printing, and PCB production. By the end of this book, you’ll have gained hands-on experience in using MQTT to build your own IoT prototypes.
Table of Contents (16 chapters)
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Title Page

Building the cube

Let's continue by building a cube around the breadboard so that we can place it on different sides. Because we want it to be stable, we need to make sure we secure the breadboard well enough. If we place the cube in a way that the breadboard construction is at the top, we don't want it to fall down.

To compress the size needed on the breadboard, you can move the Arduino a bit inward (placing it on a position on the breadboard so that the Arduino does not stand out). When using a half-sized breadboard, you can then use a side length of 8.5 cm for the cube. If you do so, please don't forget to change the position of the breadboard cables as well. You need to move the cables going from the Arduino to the tilt switches. They need to be connected to ports 0, 1, 2and 3.

Also, don't forget to move the cable connecting ground...

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