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Intel Galileo Networking Cookbook
Intel Galileo Networking Cookbook

Intel Galileo Networking Cookbook: Over 50 recipes that will help you use the Intel Galileo board to build exciting network-connected projects

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Profile Icon Marco Schwartz
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Paperback Aug 2015 174 pages 1st Edition
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Arrow left icon
Profile Icon Marco Schwartz
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Full star icon Full star icon Full star icon Full star icon Full star icon 5 (1 Ratings)
Paperback Aug 2015 174 pages 1st Edition
eBook
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Paperback
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Intel Galileo Networking Cookbook

Chapter 2. Connecting External Sensors

In this chapter, we will go through the following recipes:

  • Using the Arduino IDE with the Galileo board
  • Connecting an analog sensor
  • Connecting a digital sensor
  • Connecting an LCD screen
  • Displaying the temperature on an LCD screen
  • Troubleshooting the usual issues with sensors

Introduction

In this chapter, we are going to learn how to connect sensors to your Galileo board. This is a very important chapter in this book, as we will be using sensors throughout the rest of the book, for example to log measurements to the cloud.

In this chapter, we are going to see how to connect commonly used sensors between Arduino systems and the Galileo board. We are going to see how to connect analog and digital sensors, as well as an LCD screen to display measured data.

Using the Arduino IDE with the Galileo board

Before we take measurements from the sensors, we need to be able to develop software to run on our Galileo board. There are two ways to do that; either by using the Arduino IDE (which has been modified for Galileo) or by using the onboard Linux machine that we configured in Chapter 1, Installing and Configuring Linux. In this chapter, as we will deal with basic sensors, we are only going to use the Arduino IDE, and we will see how to use it in this first recipe.

Getting ready

For this first recipe, you will need to get the Arduino IDE for Intel Galileo from the official page at https://communities.intel.com/docs/DOC-22226.

There, you have the choice between different versions of the Arduino IDE for the Galileo board, depending on your operating system:

Getting ready

At the time of writing, the latest version available was 1.6.0. After the software has been downloaded, simply install it using the onscreen instructions, depending on your operating system.

How to...

Connecting an analog sensor

In this recipe, we are going to see how to connect an analog sensor to our Galileo board. Analog sensors are widely used in measurement systems, and can be used to measure a wide range of data such as temperature, light levels, barometric pressure, and so on.

In this recipe, we are going to see how to measure the ambient temperature using an analog temperature sensor.

Getting ready

For this recipe, apart from the Intel Galileo board, you will need a TMP36 analog temperature sensor.

You will also need a breadboard and a few male/male jumper wires to make the connections between the different components. Note that you will use this breadboard and the wires for most of the recipes in this book.

This is the list of all the extra components you will need for this recipe:

How to do it...

The first step is to assemble...

Connecting a digital sensor

In this recipe, we are going to see how to use a digital sensor with the Intel Galileo board. Digital sensors are also widely used in electronics, from the simple motion sensor that we will use in this recipe, to more complex digital sensors such as the 3-axis digital accelerometers that can be found in smartphones.

Getting ready

For this recipe we will be using a simple PIR motion sensor. You can find this sensor at https://www.sparkfun.com/products/8630.

How to do it...

We are now going to assemble our project. Just as for previous recipes, first connect the power supply from the Galileo board to the breadboard.

Then, connect the PIR motion sensor to the breadboard. Connect the red wire (the left wire in the schematic, on pin number 1) from the motion sensor to the red power rail, and the black wire (the right wire in the picture) to the blue power rail.

Finally, connect the yellow (signal) wire in the middle of the PIR motion sensor to pin number 7 on the Galileo...

Connecting an LCD screen

We are going to connect an LCD screen to the Galileo board in this recipe. This LCD screen will be used to display useful information. In this recipe, we will simply see how to use the LCD screen. We will use an LCD screen that has a built-in I2C interface for this project, as they are really easy to use with the Galileo board.

Getting ready

For this project, you will need an LCD screen. I used a 4 x 20 lines LCD screen with an I2C interface (a SainSmart I2C LCD screen 4 x 20). You can use a smaller LCD screen, but you really need one with an I2C interface or it won't work. The link to the LCD screen I used for this project is http://www.sainsmart.com/sainsmart-iic-i2c-twi-serial-2004-20x4-lcd-module-shield-for-arduino-uno-mega-r3.html.

For the software, you will also need the library to control the I2C LCD screen we are using in this project:

https://github.com/fdebrabander/Arduino-LiquidCrystal-I2C-library

To install this library, simply put the downloaded folder...

Displaying the temperature on an LCD screen

We are now going to see how to combine several of the concepts we learned in the previous recipes. We are going to read data from the same analog temperature sensor we used earlier in this chapter, and display the readings from this sensor on the LCD screen we used in the previous recipe.

Getting ready

For this project, you will need an LCD screen. I used a 4 x 20 lines LCD screen with an I2C interface. You can use a smaller LCD screen, but you really need one with an I2C interface or it won't work. You will also need a TMP36 temperature sensor.

This is the link for all the parts I used for this recipe:

As in the previous recipe, you will also need the I2C display library to control the LCD screen from your Galileo board, which can be found at the...

Introduction


In this chapter, we are going to learn how to connect sensors to your Galileo board. This is a very important chapter in this book, as we will be using sensors throughout the rest of the book, for example to log measurements to the cloud.

In this chapter, we are going to see how to connect commonly used sensors between Arduino systems and the Galileo board. We are going to see how to connect analog and digital sensors, as well as an LCD screen to display measured data.

Left arrow icon Right arrow icon

Description

Arduino is an electronic prototyping platform used by millions of people around the world. Intel Galileo is fully Arduino compatible; hence it combines the high performance of Intel with the simplicity of Arduino Software Development Environment. This makes it the ideal platform to build exciting projects, especially in the field of web-based connected applications and the Internet of Things. The book features several recipes all based on the Intel Galileo board, and that exploit the powerful features of the board. Each chapter explores a given field using the Galileo board. The book is mainly divided in three parts. The first part is all about learning the basics of the Intel Galileo board, but it uses some of the powerful features of the board such as connecting external sensors and complex hardware devices, compared with more basic Arduino boards. Then, the book dives into the topics related to networking and the Internet of Things. You will learn how to run a web server on the board and log data using a cloud-based service. Finally, the book ends with a chapter that aims to build a complete home automation hub using the Galileo board. This chapter uses everything that was learned in the book to make a home automation system using the Galileo board and Arduino.

Who is this book for?

If you have already worked on ARM boards like Arduino, but now want to learn Intel Galileo, then this book is for you. Knowledge of C programming language is required.

What you will learn

  • Set up your Galileo board for the Internet of Things
  • Connect external sensors to the Intel Galileo
  • Create and run a web server on the Galileo board
  • Control hardware devices from the Galileo
  • Host webbased applications on the Intel Galileo
  • Monitor data from the cloud using the Galileo
  • Build a complete home automation hub using the Galileo board

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Publication date : Aug 26, 2015
Length: 174 pages
Edition : 1st
Language : English
ISBN-13 : 9781785281198
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Publication date : Aug 26, 2015
Length: 174 pages
Edition : 1st
Language : English
ISBN-13 : 9781785281198
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Intel
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Tools :

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Table of Contents

9 Chapters
1. Installing and Configuring Linux Chevron down icon Chevron up icon
2. Connecting External Sensors Chevron down icon Chevron up icon
3. Controlling Hardware Devices Chevron down icon Chevron up icon
4. Creating a Web Server Chevron down icon Chevron up icon
5. Hosting Applications on the Galileo Board Chevron down icon Chevron up icon
6. Local Network Monitoring Chevron down icon Chevron up icon
7. Cloud Data Monitoring Chevron down icon Chevron up icon
8. Building a Home Automation System Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon

Customer reviews

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Full star icon Full star icon Full star icon Full star icon Full star icon 5
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ruben Sep 12, 2015
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This is a great book, it is divided in three parts the fisrt one explains everything about the board the main things about the configuration of the board, I congratulate the author because He explains very straight.In the second part it covers all the practices about networking with the boardit helps me how to configure the Galileo Arduino board like a web server, how to control the galileo from a remote place, how to connect sensors to the analig inputs, it is a great chapter because it has all the necesary to work in a network environment this information is very important because this board has the powerful of working as a networking device to control and monitor a real process.in the third part is a great section because explains how to make a home automation system using this galileo board. I like this information it has explained everything together, this chapter includes all the sections that the books has with all the information I can make the project.I want to congratulate Marco Schwartz because of his book it has helped a lot in my classes, applying this in projects, sharing this information with my students. Thanks.I want to recommend this fantastic book.Wrote: Ruben Oliva Ramos
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