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Tutorials, demos, and code walkthroughs for a wide variety of real-time web, mobile, and IoT projects.

BuildJul 8, 2016

Building a Raspberry Pi Smart Home: The Hardware

Have you ever wanted to be able to control all the devices around you with just the the touch of a screen? Well, thanks to the ever growing Internet of Things, you’re getting closer and closer to making that dream a reality. In this tutorial, you’ll learn how to build a simulated “smart...
Michael Carroll
Michael Carroll
BuildJul 7, 2016

Radio Station App using Apple Music & iTunes Search API’s

With the steady rise of Apple Music, Apple has released an API allowing developers to check if a user is an Apple Music member, check which country the user account is associated with, queue up songs using song id’s for playback and can look at playlists the user already has or create a new one....
Michael Carroll
Michael Carroll
BuildJul 5, 2016

DIY Dashboard Camera with Raspberry Pi and AngularJS Part 2

In part 1 of the Raspberry Pi Dashcam Series, we talked about how to create a powerful and low-cost embedded computing platform for “always on” live dashboard camera broadcast using the Raspberry Pi 2 Model B and the Raspberry Pi 8MP Camera Module. With this hardware setup, we can broadcast...
Michael Carroll
Michael Carroll
BuildJun 29, 2016

Tracking San Francisco’s Microclimates with Arduino MKR1000

In April, Arduino launched the new MKR1000 board, a move that I’m sure made countless IoT fanatics, including myself, jump for joy. The MKR1000 integrates the functionalities of the Arduino Uno and a WiFi shield into one neat little two-inch board, making it easier than ever to add all sorts of objects...
Michael Carroll
Michael Carroll
BuildJun 27, 2016

DIY Dashboard Camera 'Dashcam' with Raspberry Pi - 1/2

Since the Raspberry Pi was released in 2012, the capabilities of low-power, low-cost embedded computing devices have grown tremendously. It is now quite common to see smart devices (thermostats, lighting, locks, cameras) in homes as well as real-time updates in industrial settings such as package delivery...
Michael Carroll
Michael Carroll
BuildJun 16, 2016

DIY Fitbit with Arduino and Cordova – Part 2

Did you catch part one of our tutorial where we walk through creating your own bluetooth hardware with Tinyduino? In this article we’ll be continuing from where we left off and completing our bluetooth fitness band. When we last left you we connected your phone to a bluetooth module. Next, we’ll...
Michael Carroll
Michael Carroll
BuildJun 15, 2016

DIY Bluetooth Fitness Tracker Using Arduino and Cordova

This two part tutorial walks you through how you can create your own Bluetooth fitness tracker (think Fitbit) using Arduino and Cordova. You might not have any experience with Arduino or Cordova, but don’t worry! Both technologies are extremely simple and were not even going to wire anything! In...
Michael Carroll
Michael Carroll
BuildJun 8, 2016

Razzmaster Configures Raspberry Pi Over the Network

PubNub is a startup, and like many startups we use a lot of open source software. We are also huge fans of the Raspberry Pi. We’ve even built a Pi workshop because it’s so flexible and easy to get started with. Setting up Raspberry Pis for workshops and projects can be a pain, though, especially...
Michael Carroll
Michael Carroll
BuildJun 1, 2016

IoT-Enabled Smart Parking Meter with IBM Bluemix and PubNub

How many times have you gone around a parking lot more than twice looking for a space for your vehicle? You and I are not alone in this quest. Every time it happens, I keep wondering why there isn’t a smart way to reserve a parking spot in real time and pay automatically when you leave. Until now,...
Michael Carroll
Michael Carroll