Smooth VU Meter Output on Two Tiny OLED Screens

Music can soothe the soul… or something like that, but adding visual feedback in the form of a VU meter, according Adam Ples, brings “a little magic to any audio equipment.” His setup allows you to add this effect without dealing with actual physical needles that bounce back and forth to the tunes, instead subbing in a pair of OLED modules with SSD1306 or SH1106 drivers.

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