Visualize noise pollution with an Arduino sound meter

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Visualize noise pollution with an Arduino sound meter

Arduino TeamJune 16th, 2020

In our day-to-day lives we encounter a wide variety of ambient sounds, and in order to highlight noise pollution, Lucía Garbo decided to make an elegant meter

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The device features an outer shell designed in Fusion 360 and 3D-printed, concealing an Arduino Mega, a SparkFun Sound Detector, and associated circuitry inside. Components are neatly connected via a perfboard, which should allow easy modification later.

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An LED strip on top shows red, yellow, and green for different thresholds, and an LCD screen and 7-segment display take up the front. Data is also logged for further analysis by an onboard microSD card reader. 

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The build, which was actually a school project, took a full year to complete — and came out awesome! 

[youtube https://www.youtube.com/watch?v=RI114HZr5nA?feature=oembed&w=500&h=281]

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Website: LINK

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