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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

Product type Paperback

Published in Sep 2021

Publisher Packt

ISBN-13 9781838641160

Length 474 pages

Edition 1st Edition

Tools

ESP32

Concepts

IoT Development

Author (1):

Vedat Ozan Oner

View More author details

Table of Contents (17) Chapters

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

Setting up a BLE Mesh network

The Bluetooth Classic and BLE protocols define point-to-point device communications. However, the BLE Mesh protocol defines a complete wireless networking, having a many-to-many topology. The following depicts a BLE Mesh network:

Figure 8.10 – BLE Mesh

In this figure, there are two types of network nodes:

Node: An ordinary node in the network
Relay node: A node that is capable of relaying messages to other nodes in the network

BLE Mesh also defines:

Low-power nodes: Battery-operated nodes that operate with a low-duty cycle
Friend nodes: 100% duty nodes that keep messages for the low-power nodes they support
Proxy nodes: These provide a means of communication for mobile devices with no BLE Mesh stack running.

The BLE Mesh network runs on top of the BLE protocol. The architecture of the stack is as follows:

Figure 8.11 – BLE Mesh architecture

As application...

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Authors (1)

Vedat Ozan Oner

Vedat Ozan Oner

Vedat Ozan Oner is an IoT product developer and software architect, with an excellent blend of technical knowledge and experience. During his career, he has contributed to several IoT projects in different roles, which allowed him to discover all key aspects of developing successful IoT products in highly competitive markets. Vedat has a bachelor's degree in METU/computer engineering and holds several industry-recognized credentials and qualifications, including PMP®, ITIL®, and AWS Certified Developer. Vedat started his limited company, Mevoo Ltd, in London in 2018 to provide consultancy services to his clients as well as develop his own IoT products. He still lives in London with his family.

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