Hey everyone!Have you ever wondered how speakers in your phone or your headphones create sound? It might seem complicated, but as a matter of fact, it is quite simple, and you could even make your own speaker with some scrap materials and a bit of time. In this instructable I am going to show you o...
By: argha halder
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from Instructables: exploring - technology - robots http://ift.tt/1GDtpVI
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