Thanks for the comments.. 

Have another project in mind, soon as I get the unimportant stuff that is my job and uni assignments out the way 

Nice idea, and cleanly executed... remember, mountains and molehills.. start small and build it up.. whats next?

What is the body? Some kind of off-the-shelf module?? How much and where could I get one? Looks just the thing I've been looking for?

Hi, Andy here, first post..

I got an Arduino last year and have had hopes of recreating it using processing and an Arduino.. Its basically three LEDs which flash along with the music, not a VU meter, but a kind of EQ analyser. Hi, Mid, Low frequency..

I made a processing sketch which sampled an mp3 and included adjustable filters.

If one fancies a gander, the write-up is --> http://andycbriggs.wordpress.com/2012/04/12/forward-fast-mo-fo-fourier-transform-disco-leds/

And compulsory sensory pleasing youtube video...


Thanks for reading! Andy x