Schematic for three band beat detector


hi,i'm looking schematic 3 or more band beat detector. there out there? signal beat detector should go arduino should trigger different led strips. thanks.

actual beat detection determine tempo (beats-per-minute) wouldn't require 3-bands require software , it's imperfect...   (although lighting effect, light blinks tempo pretty boring anyway.)

if want detect various frequency-bands, 7-band msgeq7 super-handy or can in software fft/dft/fht.

if want 3-bands msgeq7 can either ignore 4 of bands or combine of bands in software.


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