Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Internet of Things with Python

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

Arrow left icon
Product type Paperback
Published in May 2016
Publisher Packt
ISBN-13 9781785881381
Length 388 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Gaston C. Hillar Gaston C. Hillar
Author Profile Icon Gaston C. Hillar
Gaston C. Hillar
Arrow right icon
View More author details
Toc

Table of Contents (13) Chapters Close

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

Publishing messages with commands through the PubNub cloud


Now, we will take advantage of the PubNub console to send messages with commands to the temperature channel and make the Python code running on the board process these commands. In case you have logged out of PubNub, login again and click on the Temperature Control pane in the Admin Portal. PubNub will display the Demo Keyset pane.

Click on the Demo Keyset pane and PubNub will display the publish, subscribe, and secret keys. This way, we select the keyset that we want to use for our PubNub application.

Click on Debug Console on the sidebar located the left-hand side of the screen. PubNub will create a client for a default channel and subscribe to this channel using the secret keys we have selected in the previous step. We want to subscribe to the temperature channel, and therefore, enter temperature in the Default Channel textbox within a pane that includes the Add client button at the bottom. Then, click on Add client and PubNub will...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image