In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJMonty wrote:

Roy,

If you're trying to have a microcontroller or circuit that uses a frequency range to activate lights, then you're building a color organ.  Here's a link to buy a kit:

[url]http://www.goldmine-elec-products.com/products.asp?dept=1064[/url]

If you want a computer to do a really cool light show, then you want to do something like this:

[url]http://forums.parallax.com/forums/default.aspx?f=21&m=314308[/url]

In all of the systems that do the really cool Christmas light shows, there isn't a circuit that listens to the music and activates the lights based on specific frequencies and timing.  They are done by manually programming the show using PC software that then tells the hardware what lights to turn on and off, usually via a serial link.

Thanks,
PeterM

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