Arduino using analogue input w/FFT
Arduino
Latest commit defc728 Mar 5, 2012 @elmerfud initial commit
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README initial commit Mar 6, 2012
music_color.ino initial commit Mar 6, 2012

README

This is the Color Organ / Spectrum Analyzer from
http://fftarduino.blogspot.com/2011/02/color-organ-spectrum-analyzer-on.html

It implements fixed point fft on the Arduino.  Currently it outputs to an 
LED strip and lights up a series of red blue and green depending on frequency
range. 

Audio input is expected on A0.  You can use something like http://www.sparkfun.com/products/9964 or http://www.sparkfun.com/products/9868 or just build your own offset circut with a mic or line in.