justin at slootsky.org writes: > wow! amazing pointers! Thank you. That MSGEQ7 looks like it would > suit my needs very well. Did you see the tutorial at: > http://tronixstuff.com/2013/01/31/tutorial-arduino-and-the-msgeq7-spectrum-analyzer/ > ? Yes, that's a good reference, another good one is: http://nuewire.com/info-archive/msgeq7-by-j-skoba/