LEDs resistors

Digital LED Color Organ

[youtube http://www.youtube.com/watch?v=2D1hQq77dlU?wmode=opaque&w=560&h=315] I’ve had color organs on the brain since the last installment of the circuit skills series, so I decided try my hand at a new incarnation of the basic 3-channel sound-to-light machine using high-power LEDs. This time, I took advantage of the fact that I play all of my music from a computer, […]

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