Uploaded October 2017 | Updated September 2026, 2 weeks ago

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A self built stereo VU meter photo frame powered by an Arduino Nano.

It features adjustable brightness and sensitivity and a switch to toggle the peak hold function on or off.

The script can be set to any number of leds and as separate left & right led strips or one led strip that is split into a left and a right part.

Check the test setup here: youtube.com/watch?v=QUnB4OGLlog

Project details and the code are available over here: hackster.io/ericBcreator/stereo-neopixel-ring-vu-meter-b28e78
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Music used:
Trancer