It sure is, must of spent about 6 hours over the past 2 days trying to figure out how to do this. I understand what you mean about that the 7 is 0111 which is the binary figure. but I'm not 100% sure what you mean about the polarity and which part of the code you are talking about. because normally 1 is on and 0 is off. Sorry about this, I have connected a rgb common cathode led. I have used 220 resistors on them, is that an okay value? or does each colour need to have a different value?
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