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color fader
Basic example to fade the colors of a RGB LED.
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A potentiometer is used to display rainbow colors on an rgb LED. It is the type in the Fritzing Starter Kits (pins: red, com. cathode, blue, green). |
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StoneCut # Dec. 7, 2011, 11:03 p.m.
Thanks for this. I'm just starting out and not very good with electronics so maybe you can help me ? My circuit doesn't work if I plug in the led the same way as pictured. I have to actually turn it 180 degrees and then the color fade really is not very good and it's even off somewhere near the end of the first third of the potentiometer only to kick back in a little later. I have a feeling this rgb led i got in the fritz kit has a common anode and you were using one with a common catode - could that be the problem ?André Knörig # Sept. 14, 2012, 9:30 a.m.
Yes, that's right, sorry for the confusion. RGB LEDs sometimes come with a common anode (+) or a common cathode (-). The ones in the kit are nowadays common anode. The example inside the Fritzing software is already updated.