[sudo-discuss] ultrasonic transducers

[Scott Edmonds]

+1

> On Oct 20, 2014, at 9:59 PM, Jake <jake at spaz.org> wrote:
> 
> we have a bag of ultrasonic transducers, as seen here:
> 
> http://www.directindustry.com/prod/international-transducer/ultrasonic-transducers-25344-579552.html
> 
> in case you needed to do any ultrasonic transducing.  there are also electret microphones in the same bag, i think they were used together for physical location tracking, like short distance high-accuracy distance measurement.
> 
> -jake
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