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Internet of Things with Python

You're reading from Internet of Things with Python Create exciting IoT solutions

Product type Paperback

Published in May 2016

Publisher Packt

ISBN-13 9781785881381

Length 388 pages

Edition 1st Edition

Languages

Python

Tools

Raspberry Pi

Concepts

Single Board Computers

Author (1):

Gaston C. Hillar

View More author details

Table of Contents (13) Chapters

Preface

1. Understanding and Setting up the Base IoT Hardware

2. Working with Python on Intel Galileo Gen 2 FREE CHAPTER

3. Interacting with Digital Outputs with Python

4. Working with a RESTful API and Pulse Width Modulation

5. Working with Digital Inputs, Polling and Interrupts

6. Working with Analog Inputs and Local Storage

7. Retrieving Data from the Real World with Sensors

8. Displaying Information and Performing Actions

9. Working with the Cloud

10. Analyzing Huge Amounts of Data with Cloud-based IoT Analytics

A. Exercise Answers

Index

Generating analog values via HTTP requests

The HTTP server is running in Yocto Linux and waiting for our HTTP requests to control the LEDs on connected to the Intel Galileo Gen 2 board. Now, we will compose and send HTTP requests from other computer or devices connected to our LAN and we will control the brightness levels for the red, green and blue LEDs.

Open a new terminal, command-line or the GUI tool that we want to use to compose and send HTTP requests from a computer or any device connected to the LAN. Don't forget to replace 192.168.1.107 with your board's IP address in the next requests.

Run the following HTTPie command in a computer or device to use the RESTful API to make the board set the brightness level for the red LED to 30. After you enter the command, you will notice the SSH terminal that displays the output for the Python code will display the following message: Red LED connected to PWM Pin #6 set to brightness 30. In addition, you will see the red LED turned on with a very...

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Authors (1)

Gaston C. Hillar

Gaston C. Hillar

Gaston C. Hillar is Italian and has been working with computers since he was 8 years old. Gaston has a Bachelor's degree in computer science (graduated with honors) and an MBA. Currently, Gaston is an independent IT consultant and a freelance author who is always looking for new adventures anywhere in the world. He was a senior contributing editor at Dr. Dobb's, and has written more than a hundred articles on software development topics. He has received the prestigious Intel Black Belt Software Developer award eight times. He has written many articles about Java for Oracle Java Magazine. Gaston was also a former Microsoft MVP in technical computing. He lives with his wife, Vanesa, and his two sons, Kevin and Brandon.

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