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ESP8266 Internet of Things Cookbook

By : Marco Schwartz

3.2 (5)

ESP8266 Internet of Things Cookbook

3.2 (5)

By: Marco Schwartz

Overview of this book

The ESP8266 Wi-Fi Module is a self contained System on Chip (SOC) with an integrated TCP/IP protocol stack and can give any microcontroller access to your Wi-Fi network. It is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. This book contains practical recipes that will help you master all ESP8266 functionalities. You will start by configuring and customizing the chip in line with your requirements. Then you will focus on core topics such as on-board processing, sensors, GPIOs, programming, networking, integration with external components, and so on. We will also teach you how to leverage Arduino using the ESP8266 and you'll learn about its libraries, file system, OTA updates, and so on. The book also provide recipes on web servers, testing, connecting with the cloud, and troubleshooting techniques. Programming aspects include MicroPython and how to leverage it to get started with the ESP8266. Towards the end, we will use these concepts and create an interesting project (IOT). By the end of the book, readers will be proficient enough to use the ESP8266 board efficiently.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

1. Configuring the ESP8266

1. Configuring the ESP8266

Introduction

Setting up the Arduino development environment for the ESP8266

Choosing an ESP8266 board

Required additional components

Uploading your first sketch to the ESP8266

Connecting the ESP8266 to your local Wi-Fi network

Connecting the ESP8266 to a cloud server

Troubleshooting basic ESP8266 issues

2. Your First ESP8266 Projects

2. Your First ESP8266 Projects

Introduction

Functionalities of the ESP8266

Reading digital signals

Reading analog signals

Controlling an LED

Dimming an LED

Controlling a servo motor

Measuring data from a digital sensor

Controlling an OLED screen

Troubleshooting basic ESP8266 issues

3. More ESP8266 Functions

3. More ESP8266 Functions

Introduction

Discovering the advanced functions of the ESP8266

Using libraries on the ESP8266

Discovering the filesystem of the ESP8266

Storing data in the ESP8266 filesystem

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

Programming your ESP8266 OTA

Troubleshooting basic ESP8266 issues

4. Using MicroPython on the ESP8266

4. Using MicroPython on the ESP8266

Introduction

Introduction to MicroPython on the ESP8266

Discovering the MicroPython language

Getting started with MicroPython on the ESP8266

Controlling pins using MicroPython

Reading data from a sensor using MicroPython

Sending data to the cloud using MicroPython

Troubleshooting common MicroPython issues

5. Cloud Data Monitoring

5. Cloud Data Monitoring

Introduction

Internet of Things platforms for the ESP8266

Connecting sensors to your ESP8266 board

Posting the sensor data online

Retrieving your online data

Securing your online data

Monitoring sensor data from a cloud dashboard

Creating automated alerts based on the measured data

Monitoring several ESP8266 modules at once

Troubleshooting common issues with web services

6. Interacting with Web Services

6. Interacting with Web Services

Introduction

Discovering the Temboo platform

Tweeting data from the ESP8266 board

Posting updates on Facebook

Storing data on Google Drive

Automation with IFTTT

Sending push notifications

Sending e-mail notifications

Sending text message notifications

Troubleshooting common issues with web services

7. Machine to Machine Interactions

7. Machine to Machine Interactions

Introduction

Types of IoT interactions

Basic local machine to machine interactions

Cloud machine to machine interaction

Automated M2M with IFTTT

M2M alarm system

Automated light control

Automated gardening controller

Troubleshooting common issues with web services

Index

Index

Setting up the Arduino development environment for the ESP8266

To start us off, we will look at how to set up an Arduino IDE development environment so that we can use it to program the ESP8266. This will involve installing the Arduino IDE and getting the board definitions for our ESP8266 module.

Getting ready

The first thing you should do is download the Arduino IDE if you do not already have it installed on your computer. You can do that from this link:

https://www.arduino.cc/en/Main/Software.

The web page will appear as shown. It features that latest version of the Arduino IDE. Select your operating system and download the latest version that is available when you access the link (it was 1.6.13 at the time of writing):

Getting ready

When the download is complete, install the Arduino IDE and run it on your computer.

Now that the installation is complete, it is time to get the ESP8266 definitions. Open the preference window in the Arduino IDE from File|Preferences or by pressing CTRL + Comma.

Copy this URL: http://arduino.esp8266.com/stable/package_esp8266com_index.json.

Paste it in the file labeled Additional Board Manager URLs, as shown in the following screenshot. If you are adding other URLs too, use a comma to separate them:

Getting ready

Open the board manager from the Tools|Board menu and install the ESP8266 platform. The board manager will download the board definition files from the link provided in the preferences window and install them. When the installation is complete, the ESP8266 board definitions should appear as shown in the screenshot. Now you can select your ESP8266 board from the Tools|Board menu:

Getting ready

How it works…

The Arduino IDE is an open source development environment used for programming Arduino boards and Arduino-based boards. It is also used to upload sketches to other open source boards, such as the ESP8266. This makes it an important accessory when creating Internet of Things (IoT) projects.

See also

These are the basics for the Arduino framework and they will be applied throughout this book to develop IoT projects.

Visually different images

CONTINUE READING

83

Tech Concepts

36

Programming languages

73

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