Author Archives: hagen

Github repo for xtralean

I’ve created a github repo for xtralean – located at https://github.com/xtralean   All software posted is licensed under MIT license.

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Thingspeak.com

There is an interesting website service called ThingSpeak (link).  The website uses a simple protocol, so simple that even small micro controllers can use it, to collect data and then display the data in handy graphs. Up to 8 parameters … Continue reading

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Experiment in energy conservation

My new Internet of Things project is a solar powered mini weather station.  Sensors will be able to measure temperature, humidity, and UV index.  Since this unit is solar powered, it has an on board battery that keeps the station … Continue reading

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Particle Photon

  I’ve been playing around with various micro controllers for quite awhile. Building little electronic projects and it’s been very enjoyable.  I came across this relatively new micro controller from Particle.io called the Photon.  Particle was previously known as Spark … Continue reading

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Internet of Things Wallpaper

Click here for original news article Andrew Fenton invents Internet of Things Wallpaper.  While not a totally original idea, these types of displays have been around for a long time, it shows some creativity and how an ordinary wall can … Continue reading

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If this then that

The Jacquard loom, invented in 1801, used a chain of punched cards to weave complex fabric pattern.  Based on a simple principle of holes in cards to determine which color thread would be used it represents the simple concept of … Continue reading

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The light bulb

Invented over 200 years ago by Humphry Davy, the first electric light was not even a bulb.  He connected a battery to a carbon wire and made the wire glow, producing light.  Called the arc light, it ushered in a … Continue reading

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New direction, new ideas

XtraLean was started as a Mac software publishing company in 2002.  Now as we wind down the original business, a new direction and ideas are taking its place.   XtraLean will explore the Internet of Things in this new blog. Here … Continue reading

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