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Developing IoT Projects with ESP32

You're reading from   Developing IoT Projects with ESP32 Automate your home or business with inexpensive Wi-Fi devices

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Product type Paperback
Published in Sep 2021
Publisher Packt
ISBN-13 9781838641160
Length 474 pages
Edition 1st Edition
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Author (1):
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Vedat Ozan Oner Vedat Ozan Oner
Author Profile Icon Vedat Ozan Oner
Vedat Ozan Oner
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Table of Contents (17) Chapters Close

Preface 1. Section 1: Using ESP32
2. Chapter 1: Getting Started with ESP32 FREE CHAPTER 3. Chapter 2: Talking to the Earth – Sensors and Actuators 4. Chapter 3: Impressive Outputs with Displays 5. Chapter 4: A Deep Dive into the Advanced Features 6. Chapter 5: Practice – Multisensor for Your Room 7. Section 2: Local Network Communication
8. Chapter 6: A Good Old Friend – Wi-Fi 9. Chapter 7: Security First! 10. Chapter 8: I Can Speak BLE 11. Chapter 9: Practice – Making Your Home Smart 12. Section 3: Cloud Communication
13. Chapter 10: No Cloud, No IoT – Cloud Platforms and Services 14. Chapter 11: Connectivity Is Never Enough – Third-Party Integrations 15. Chapter 12: Practice – A Voice-Controlled Smart Fan 16. Other Books You May Enjoy

Chapter 12: Practice – A Voice-Controlled Smart Fan

In this final chapter of the book, we are going to develop another smart home device, a smart fan. We will take an ordinary fan that has mechanical buttons on it to control the fan speed and we will convert this fan into a smart one where we can set the speed by voice in addition to its buttons. The fan that I am going to hack in this project has four buttons, where one button is for stopping the fan and the other three are for three different speed modes, from slow to fast. The idea is to intercept the button presses by connecting the speed buttons of the fan to GPIO pins of ESP32 and control the speed via relays when a button press is detected. It will also respond to voice commands by changing the relay states. The voice assistant will be Amazon Alexa and we will use Amazon IoT Core and Lambda as the backend services to handle the voice commands.

This chapter introduces a great opportunity to practice what we have learned...

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