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.  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, … Continue reading Visualize noise pollution with an Arduino sound meter