disco lights controller - 'lights' to face the music

6-06 — elektor june 1980 disco lights controller "lights" to face the music Disco colour light systems have been on the market for some time now. All you have to do is connect an audio signal to three coloured lamps and you"re ready to throw a party. The modules have certain advantages: they"re not expensive, they"re easy to handle, and above all, they"re safe. There is however one disadvantage: since the module is a single unit it cannot be expanded. This may be remedied by adding an extra module, which this article will now describe. F. Op "t Eynde existing disco light system may also flash in succession (running lights) or leave a "space" in succession (inverse running lights) or on and off (beacon). The running speed or the flashing frequency may be varied. This unit is designed for three channel colour systems and will work on home-made or commercial models. The block diagram of figure 1 shows the three tone generators. All three generate continuous squarewaves at the three...