Blog Archives

Purr Programming Shirt Part 1 — The Hardware

If you’ve met the folks at Polyglot Programming, you know that we love cats, t-shirts, and wearables. Which is, of course, exactly why we recently came up with an idea to combine all three into a project. No, we didn’t

Posted in Android, Development, MetaWear, Mobile, Uncategorized, Wearables Tagged with: , , ,

Measuring Your Heart Rate on Android Using MetaWear

While the MbientLab MetaWear has a number of sensors built into the board, it also has the ability to interface with a host of analog sensors. With many wearable devices focusing on fitness, you might find yourself needing to integrate

Posted in Android, MetaWear, Mobile, Wearables Tagged with: , ,

Logging Thermistor Data With The MetaWear

The MetaWear board allows you to easily create bluetooth enabled low power wearable devices. Unlike many solutions, as an Android developer you can write applications that program, and interact with the board using a API. We recently created an application

Posted in Android, MetaWear, Mobile, Wearables Tagged with: , ,

Using MetaWear with Node.js

Back in October 2014 I attended a talk by Erica Stanley called “Open Source and the Internet of Things” at the All Things Open conference in Raleigh. We were just starting to do wearable development beyond Android Wear and Google

Posted in ChromeOS, Development, Javascript, MetaWear, Node.js, Raspberry Pi, Ubuntu, Wearables Tagged with: , , , , ,

Adventures in 3D Printing

About a year ago we decided to get a 3D printer. Although there are lots of pre-made options available, it’s much less expensive to get a RepRap Prusa I3 kit and build one yourself. The Prusa I3 is an open

Posted in 3d printing, Arduino, Development, Maker, RepRap Tagged with: , , , ,

Adding Gradients to Android Graphs with MPAndroidChart and DecoView

Recently, we worked on a project that required us to add graphs with gradients to an Android application. Below is an example of one such graph that we needed to create: There are lots of examples online that show how

Posted in analytics, Android, Data Science, Development, Mobile Tagged with: , , , , ,

Giving Thanks by Giving Laptops to Those in Need

Nelson Mandela once said: “There can be no keener revelation of a society’s soul than the way in which it treats its children.” While Madiba is no longer with us, about a year ago I had the honor of meeting

Posted in Agile, Development, Ethics, Giving Back, Python Tagged with: , , , , ,

Interacting with the Android lifecycle in a Cordova Plugin

Anyone who’s attended one of my talks during the past year, knows that I love Mbientlab’s MetaWear boards. They’re great for prototyping wearables that offer rich APIs for Android and iOS. That said, when you’re prototyping a device, you may

Posted in Android, Cordova, Development, Javascript, Mobile, Wearables Tagged with: , , ,

Creating a Pedometer Using MetaWear and Android

Six months ago we started to play with a really cool wearable prototyping board called MetaWear from Mbientlab. If you haven’t heard of them you can read about the platform over here. ┬áThe idea behind them is that they are

Posted in Android, Mobile, Wearables Tagged with: , , ,

Allowing For More Signature Flexibility In The Ruby Passbook Gem

Passbook is a often under utilized feature of IOS. For those who haven’t used it, Passbook is a app that comes with all phones running IOS 6 and above. Passes can be mailed, shared, retrieved from a website or delivered

Posted in gems, IOS, Mobile, rails, ruby Tagged with: , , , , ,