This colour organ has two modes of operation: "Musical" and "Automatic". In "Musical" mode, the channels illuminate according to the frequency of the audio input signal. In "Automatic" mode, the channels automatically illuminate with different timing interval for each channel.

This circuit works by converting sound into digital pulses which drive a counter circuit. The counter circuit then turns the lights on and off in a pseudo-random pattern which is based on the beat of the music. The rate at which the on/off pattern changes depends on the beat rate of the music and the adjustment of the potentiometer. Four LED indicators on the circuit board show the flash sequence.

While analog colour organs vary the brightness of the lights, the digital colour organ turns the lights on or off.

Supply voltage: 12V AC C.T., 200mA. See related products below for a suitable transformer.

Keywords: color organ, colour organ, light organ

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