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Change of tack: Say I just want a blue-violet. does anyone have a reference for different resistor loads to achieve different purples from a tri cree? And is white necessary, or just a red and...

I'm having trouble with the equivalency of a $50-$100 sound card (when I don't want sound) and a $15 buck puck. I'm new to this, but I must be missing something. Help?

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Ok, so The...

That's what I'm looking for! I want to tune my stunt saber (don't want sound) and would love to use variable resistors like this on a RGB tri cree. I can't find these tiny variable resistors,...