[nSLUG] Inexpensive decibel meter for a project?

Dave Flogeras dflogeras2 at gmail.com
Thu Jan 8 12:49:01 AST 2015

Hey Joel,

There are cheapo dB meters on ebay with a USB capability:

It only mentions Windows drivers, but who knows, someone may have
created Linux software by now.  I'm sure they aren't laboratory
quality, but you could probably hack something together with a Pi or a
cheap kijiji netbook to log the data for about $100.  Even if they
aren't super accurate, you could gather all your data which is
relative to each other, then reference the cheapo meter vs a good
quality one and figure out a correction curve to apply after the fact.


On Thu, Jan 8, 2015 at 12:05 PM, Joel Maxuel <j.maxuel at gmail.com> wrote:
> Good afternoon,
> I thought I may had the solution to this, but now it's time for me to ask
> around....
> I volunteered for a project at work in one of the nursing units, to measure
> noise pollution, and maybe even light pollution, over a given night
> (exported into say, a CSV/XML spreadsheet), at a patients bedside.  I
> figured a Raspberry Pi would be up to the job for that, but apparently not:
> http://www.raspberrypi.org/forums/viewtopic.php?t=18014&p=179448
> The budget is in the $100 range, mostly because we don't want a device
> people could just walk off with (which is why a phone app isn't looking like
> a good option right now).
> Does anyone have any suggestions on what would work, bonus points being open
> source?  Much appreciated.
> --
> Cheers,
> Joel Maxuel
> "One should strive to achieve, not sit in bitter regret."
>  - Ronan Harris / Mark Jackson
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