The Musical Laser Rainbow Machine

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The Musical Laser Rainbow machine takes music, divides it into 6 separate bands of frequency (pitch), and controls 7 lasers to make a colorful, animated display. I wrote a complete article describing all of its features, with lots of pictures and how to build it for the cover story of Nuts and Volts Magazine May/June 2018.

 The inside of the machine, with smoke to make the laser beams visible.

The inside of the machine, with smoke to make the laser beams visible.