Update to my VU-meter build. Unfortunately I haven’t been able to make data transfer wireless as my Wemos D1 mini gives a lot different analog output from what Arduino Uno does, but I’ll still try to look into it. I will coat the strips with epoxy today to make the light scatter more evenly, but I think these look quite nice now
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Hi…depending on the source of the signal, you need to attenuate the signal down to a useable level, then run it through a series of Band Pass Filters, then those Band Pass circuits into a series of power circuits sufficient to drive as many LEDs are you need to get the job done.
If you intend the Lighting aspect of the system to be as big as you are showing it, then plan on using A LOT of LEDs.