This tutorial teaches you how to make the world's smallest (and probably only) capacitance-piezo-buzzer ukulele.A ukulele is an instrument from Hawaii that looks like a small guitar with four nylon strings. Our strings will be made of wire and work by measuring the capacitance and then play the corr...By: simsalapim
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from Instructables: exploring - technology - robots http://ift.tt/1FsnHFT
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