I have a simple circiut, which I can get to work with a single LED. The circuit uses a TIP31 to "switch" the light on and off when an audio input is used. With a single LED I can get this to work, but when I step it up to using either 4 or 7 LEDs, depending on the draw, it will onlt stay solid in color unless music is all the way up. I don't want to blow anything on the circuit or on the stereo so I am looking for any help as to why it wont work. The materials used are orange LEDs (1.8-2v), green LEDs (2.5-3.5v), TIP31s, and an audio connector both from radioshack. As it is set up the series of 7 LEDs are the orange and the series of seven are the green. Sorry for the crude schematic, kinda new at the whole thing. Any help would be appreciated. On the schematic the "L" "R" and "G" are in reference to left, right and ground on the input.
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