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Microphone how? Answered

I was wondering, How could I turn an old speaker into a microphone?

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user
chooseausername (author)2007-11-09

How could I turn an old speaker into a microphone?

You speak to it like if it was a microphone. =o)

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user
VIRON (author)chooseausername2007-11-09

Search and Look at my "magnet powered telephone" instructable. (The magnets are the ones in the speakers)

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user
Goodhart (author)2007-11-09

and here is the kind of thing Chooseausername is speaking of: ALL speakers are Microphones......

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