Arduino Spectrum Analyzer on a 10x10 RGB LED-Matrix

In this Instructables I am going to show you how to create a spectrum analyzer powered by an Arduino nano. A spectrum analyzer basically analyzes the intensity of different frequencies in a song. To display those values we are going to use a 10x10 RGB LED-Matrix. Every time one of the columns reaches the top of the matrix the hue value of the colors increases and the matrix looks different.”


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