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ESP8266 Home Automation Projects

You're reading from ESP8266 Home Automation Projects

Product type Book

Published in Nov 2017

Publisher Packt

ISBN-13 9781787282629

Pages 196 pages

Edition 1st Edition

Languages

Concepts

Home Automation

Authors (2):

Catalin Batrinu

Constantin Tambrea

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Table of Contents (16) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

Getting Started with the ESP8266

Building and Configuring Your Own MQTT Server

Building a Home Thermostat with the ESP8266

Control Appliances from the ESP8266

Using ESP8266 to Build a Security System

Securing Your Data

Real-Time Communication

Adding a Mobile Application to Your Smart Home

Index

Message Queue Telemetry Transport

Usually, end devices have a limited memory and CPU power, running on batteries, so connecting them with servers requires a light protocol. Enter MQTT, which was invented in 1999 by Andy Stanford-Clark from IBM and Arlen Nipper from Arcom, a SCADA protocol design initially for battery operated devices to supervise oil pipelines. Later in 2010, IBM released it as a royalty-free protocol. In 2014, OASIS announced that the MQTT v.3.1.1 had become an OASIS standard and a lot of MQTT clients were developed for all programming languages.

The characteristics of MQTT are listed as follows:

Data agnostic: MQTT can transport all kind of data, from sensor data to images or over the air updates
Lightweight and bandwidth efficient: Smallest frame is only 2 bytes long
Provide QoS: Three Quality of Service (QoS) levels
Runs on top of the TCP/IP stack
Simple to develop: Clients exist for all operating systems and programming languages
Central broker: Can connect different devices...

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Authors (2)

Catalin Batrinu

Catalin Batrinu graduated from the Politehnica University of Bucharest in Electronics, Telecommunications, and Information Technology. He has been working as a software developer in telecommunications for the past 16 years. He has worked with old protocols and the latest network protocols and technologies, so he has experienced all transformations in the telecommunication industry. He has implemented many telecommunications protocols, from access adaptations and backbone switches to high-capacity, carrier-grade switches on various hardware platforms from Wintegra and Broadcom. Internet of Things came as a natural evolution for him and now he collaborates with different companies to construct the world of tomorrow that will make our life more comfortable and secure. Using the ESP8266, he has prototyped devices such as irrigation controllers, smart sockets, window shutters, Digital Addressable Lighting Controls, and environment controls, all of them controlled directly from a mobile application over the cloud. An MQTT broker with bridging and a WebSockets server was even developed for the ESP8266. Soon, all those devices will be part of our daily life, so we will all enjoy their functionality.

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Constantin Tambrea

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