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Whoa: Low-Power Texter Still Texting

About a month ago I built a texting temperature sensor, which had some energy-saving code I learned about. I wanted to see how many days it would last on one charge.

It's still running.

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John Keefe

Data Weather Editor at the New York Times • Previously at CNN, Quartz & WNYC • Founder, Really Good Smarts LLC

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