Sound Reactive Backlight in the Lab

When listening to music in the lab, I wanted a way to visualize what I was hearing – creating my own artificial synesthesia.  This latest project is a simple sound visualizer, what sound engineers might call a volume unit (VU) meter.  There are three main parts to this project: the audio sensor (mic), the microcontroller, and the LEDs.  After finishing the project, I mounted the strip on the back of my new adjustable desk with some velcro.  I got all of the parts from Adafruit:


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