Thursday, 16 April 2015

Through-Glass Doorbell

Link to video, as it doesn't show up everywhere: http://ift.tt/1OjP0UD do you trigger a doorbell through a pane of glass? It's definitely not impossible, but it does require some Arduino magic. In this instructable we're going to outline how to use the Arduino to sense the ch...

By: Switch and Lever



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from Instructables: exploring - technology - robots http://ift.tt/1OjP3j9

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