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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

View More author details

Table of Contents (16) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

1. Getting Started with the ESP8266

2. Building and Configuring Your Own MQTT Server

3. Building a Home Thermostat with the ESP8266

4. Control Appliances from the ESP8266

5. Using ESP8266 to Build a Security System

6. Securing Your Data

7. Real-Time Communication

8. Adding a Mobile Application to Your Smart Home

Index

Streaming data from ESP8266

To stream data from ESP8266 we need first to establish a WebSocket connection between the ESP8266 and a server; data that will be streamed over the WebSocket connection will be the acceleration values for the X, Y and Z axes. ESP8266 will read them from an ADXL345 chip and will send them to a nodeJS server. From the server, data can be sent to a connected browser on the same server or can be written to a database for further analysis:

The final circuit can also include a time-series database such as InfluxDb, for storing the values transmitted by the ADXL345.

Adding a database can let you collect various data from multiple acceleration sensors, store them in the database, retrieve them on request to compare them with the current values, or draw nice graphs with the current and historical data.

A server can also react to some values and send alerts (email, SMS) and send data to other ESP8266 modules to react, or to other servers.

ADXL345 accelerometer

Produced by the...

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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.

See other products by Catalin Batrinu

Constantin Tambrea

See other products by Constantin Tambrea

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