Wednesday, 5 August 2015

DIY alternative to smart door bell: when someone knocks, blink lights and send a notification

Most of us have been in a situation when somebody couldn’t get our attention because we were wearing a pair of headphones. It usually ends up fine as long as the attention seeker can poke us, but what if there is a barrier between the two? For such occasions we made a simple home automation solution...
By: Naran

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from Instructables: exploring - technology - robots


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