Last week, word dropped of how the folks at Spark, creators of an Arduino-compatible board for creating homebrew Internet-connected hardware (the Spark Core), had hacked together an open source digital thermostat.
Nobody, Spark included, expects this device to knock Nest, recently acquired by Google, out of the box. But the project hints at how the technology needed to create Internet of things-style devices is well within the reach of most any hardware hacker with only a few dollars to spend.
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