Build

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

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
BuildMay 26, 2016

Prototype a Smart Device: Arduino, Node.js, and Johnny-Five

Note: This is a modified version of the article that I originally published on Tuts+ Code. With the rise of the maker movement—Maker Faire, 3D printers, DIY robots, drones, and so on—the popularity of Arduino, an open-source, microcontroller-based kit, has turned many software engineers into hardware...
Michael Carroll
Michael Carroll
tutorial real-time currency Csharp
BuildMay 24, 2016

Real-time Currency Tracker with PubNub C# SDK

PubNub’s real-time messaging infrastructure has proved its mettle across various industry domains, Fintech (Financial Technology) being one of them. From instant stock updates to real-time financial data analytics, PubNub provides a resilient and best in class network for streaming financial data across...
Michael Carroll
Michael Carroll
BuildMay 12, 2016

Smart Traffic Management System for Emergency Services

Note: Shyam recently wrote and recorded a video about his traffic management system. You can view the recording on our webinar site. -ed When it comes to emergency response, every second counts. For emergency response vehicles, meandering through busy intersections and gridlocked streets can present...
Michael Carroll
Michael Carroll