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Raspberry Pi and MQTT Essentials

You're reading from Raspberry Pi and MQTT Essentials A complete guide to helping you build innovative full-scale prototype projects using Raspberry Pi and MQTT protocol

Product type Paperback

Published in Sep 2022

Publisher Packt

ISBN-13 9781803244488

Length 272 pages

Edition 1st Edition

Tools

MQTT

Concepts

IoT Development

Author (1):

Dhairya Parikh

View More author details

Table of Contents (14) Chapters

Preface

1. Part 1:Covering the Basics

2. Chapter 1: Introduction to Raspberry Pi and MQTT FREE CHAPTER

3. Chapter 2: MQTT in Detail

4. Chapter 3: Introduction to ESP Development Boards

5. Chapter 4: Node-RED on Raspberry Pi

6. Part 2: Practical Implementation – Building Two Full-Scale Projects

7. Chapter 5: Major Project 1: IoT Weather Station

8. Chapter 6: Major Project 2: Smart Home Control Relay System

9. Part 3: How to Take Things Further – What Next?

10. Chapter 7: Taking Your MQTT Broker Global

11. Chapter 8: Project Prototype to Product – How?

12. Index

Why subscribe?

13. Other Books You May Enjoy

Major Project 2: Smart Home Control Relay System

In this chapter, we will be creating yet another full-scale project using the concepts we learned in the initial chapters of this book. The main objective of this chapter is to create a smart home device for controlling wall switches using the Node-RED dashboard hosted on the Raspberry Pi. The device will be based on the popular ESP32 development board.

This chapter is a step-by-step tutorial to build this project from scratch. We will be covering the following aspects of the project:

Hardware requirements and setup
Code explanation
Raspberry Pi setup
Project enhancements

For this project, we will be preparing a PCB instead of creating the circuit on a breadboard for a more finished and professional look. The final hardware is shown in Figure 6.1.

Figure 6.1 – Smart home control relay system (ESP32)

In this figure, we can see that the hardware has four relays, and the functionality...

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Authors (1)

Dhairya Parikh

Dhairya Parikh

Dhairya Parikh is an Electronics Engineer who currently works as a Data Engineer at Accenture. He has a year's experience in building and maintaining data pipelines for a huge amount of data. In his free time, he builds IoT and Machine Learning projects and even writes about them. He has written several project articles for Circuit Cellar, which is a monthly tech magazine. He makes projects which positively impacts the society, making people's life easier.

See other products by Dhairya Parikh

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