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 external volume meter the easy way

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kurosen

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Join date : 2012-04-17

PostSubject: external volume meter the easy way   Sat Apr 28, 2012 9:25 am


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to be continued
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kurosen

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Posts : 63
Join date : 2012-04-17

PostSubject: how to   Thu May 03, 2012 8:45 am

volume meter : connect an ampermeter to a telephone mic to a battery in a raw

or connect in a raw a battery to a resistor and a mic and the mic in parallel to a volt meter.

if the voltage or current are too high the volt/amper meter's galvanometer will fry so calibrate it to high volt or current first.
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