Shahryiar] shows that making your own need only have two essential ingredients: a microphone and a microcontroller. Obviously the microphone is for measuring the sound ... display is a graphical ...

Other components include a SparkFun Sound Detector and small LCD display to provide details ... “I’ll show how to make a Sound Meter using an Arduino and some more components.

Looking for a digital recreation of the classic analog volume unit (VU) meter? If you’ve got an Arduino ... into an attractive and functional audio display. The project’s Hackaday.IO page ...