At ladyada's tea party, user mtbf0 has posted details of his RGB brain machine powered by a Boarduino.
...it generates a base frequency at 200Hz. Offset frequencies of 201Hz-217Hz in 1Hz increments can be selected giving binaural beats in the range of 1Hz-17Hz. The LEDs are controlled by comparing the phases of the base and offset waveforms, so although the code's a little hairier than Mitch's, adding new frequencies is easy.
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that name makes italians cry.
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first arduino port of Mitch Altman's brainmachine
for for arduino diecimila
and arduino wt. atmega8
here...
http://www.enormnews.com/output/?e=150&page=index&d=f2f7cebc&h=0&f=
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