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Resistors & LEDS & Buttons oh My!
Carsten Carlos:
--- Quote ---That's a bit of a broad statement which may hold true for one family of LEDs. Some LEDs require much more current than others, regardless of the color.
--- End quote ---
Of course it is, but if you would have visited the site I mentioned you would have found found much more explanations regarding this and how to calculate it correctly.
I don't wanted to retype this all here - this is were my page is for. Everything there.
Also, notice I wrote color and brightness! Basically you can work with this if you've no idea how much current your superbrightness-LED would need.