Sound Level Meter with LM3915


Posted on Feb 6, 2014

Here`s a nifty sound level meter is a perfect one chip replacement for the standard analog meters. It is completely solid state and will never wear out. The whole circuit is based on the LM3915 audio level IC and uses only a few external components. This audio meter circuit can also be integrated into audio amp projects.


Sound Level Meter with LM3915
Click here to download the full size of the above Circuit.




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