So I have an RGB LED and I believe it is a common cathode, but it may be anode. Anyway, would there be any functional difference between having a single 270 ohm resistor from the common cathode to ground and having a separate one for each color?

RGB LED

system February 16, 2011, 11:43pm 4

Hah, 'getting dimmer' is one way of putting it XD

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