30 Jul '14, 2am

A Cheap DIY Smoke Detector that Can Save Lives

A Cheap DIY Smoke Detector that Can Save Lives

A faulty wire, a discarded burning cigarette, or a left-on curling iron can trigger sparks of fire to engulf everything nearby until all that’s left is brittle mounds of smoldering ash. Which is why smoke detectors are so important. They are life saving devices that can wake people up sleeping inside, well before the silent, but deadly carbon monoxide starts to kick in. But what happens if no one is home, and the alarm begins to blare? The place burns down into the ground without the owners knowing. So when [Martin] purchased a battery-powered smoke detector and rigged it up to notify him exactly when the piezo siren is activated , the evolution of the automatic fire alarm continued into the realm of wireless internet-connected things. His home automation system (a Raspberry Pi running Node-Red ) links to a Funky ATTiny84-based sensor and transmits the data wirelessly, red...

Full article: http://hackaday.com/2014/07/29/a-cheap-diy-smoke-detector...

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New Study Finds Trees Save More Than 850 Lives ...

ecorazzi.com 30 Jul '14, 12pm

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ecosalon.com 28 Jul '14, 8am

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footlocker.eu 03 Aug '14, 2pm

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beauty

beauty

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Conventional beauty products often contain harmful additives to increase lather or give the product a creamy texture. Ingr...

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