Tuesday, 29 September 2015

Soda bottle phone speaker/cradle

This passive phone speaker/cradle is cheap, effective and easy to make. It also sounds better than most of the small, solid passive phone speakers, probably because of its large reflecting surface.The speaker/cradle should work with most phones, iPhones included. The basic idea The first picture ...
By: mxx

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from Instructables: exploring - technology - robots http://ift.tt/1VkY4kI


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