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ESP8266 Internet of Things Cookbook

You're reading from   ESP8266 Internet of Things Cookbook Over 50 recipes to help you master the ESP8266's functionality

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781787288102
Length 268 pages
Edition 1st Edition
Tools
Concepts
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Author (1):
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Marco Schwartz Marco Schwartz
Author Profile Icon Marco Schwartz
Marco Schwartz
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Table of Contents (15) Chapters Close

ESP8266 Internet of Things Cookbook
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Configuring the ESP8266 FREE CHAPTER 2. Your First ESP8266 Projects 3. More ESP8266 Functions 4. Using MicroPython on the ESP8266 5. Cloud Data Monitoring 6. Interacting with Web Services 7. Machine to Machine Interactions Index

Discovering the over the air update of the ESP8266 (OTA)


In this recipe, we are going to learn about the OTA update functionality of the ESP8266. This will enable you to understand how OTA works and how you can apply it in your projects. With this knowledge, you will be able to easily program your ESP8266 boards that are situated in remote locations.

Over the air

An OTA update involves loading firmware to an ESP8266 module via Wi-Fi, instead of using a serial port. This is a very important feature that ensures the delivery of firmware updates to ESP8266 boards in remote areas. You can do OTA using an Arduino IDE, a HTTP server, or a web browser.

The Arduino IDE is usually used for the software development phase. The other two are more important after deployment. They allow you to provide modules with application updates either automatically with a HTTP server or manually using a web browser.

Initial firmware is uploaded onto the ESP8266 board via a serial port. Once the OTA routines are implemented...

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