Designing a Pitch Sensor

Other Hardware Product Design
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I have already created a prototype detecting noise, demonstrated through a light flickering when a noise is detected, but is there any way possible to add on to this project by adding a pitch sensor?

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klow:
I have already created a prototype detecting noise, demonstrated through a light flickering when a noise is detected, but is there any way possible to add on to this project by adding a pitch sensor?

Have you searched the forum for frequency measuring?
Paul

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