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lundi 30 mars 2015

Matchbox Microphone

How to make a really basic microphone out of a matchbox and pencil graphite. This simple electronics experiment demonstrates how a microphone works and the science behind it. We'll explore the fundamental principles of a microphone and build our own working model. Background A microphone is a de...

By: Dave Hax



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

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