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Author Topic: Help with 3x3 RGB LED Matrix  (Read 743 times)
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Hey, i am beginner and i am working on my first "real" project. Therefore i need an 3x3 RGB LED. I am aware of the fact, that the Arduino hasn't got enough pins to control them all, but i heard something about a technique called Charlieplexing which makes this possible. Like i said i am a beginner and i hope that someone of you can help me out with it. Maybe someone of you did something similar before ? It would be super nice if someone could post me a Fritzing Graphic which shows me how to wire my LED's.

Thanks so much
Regards, David
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Try typing "charlieplexed rgb leds" into google...
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wow great answer... this really helps me
Anyway i found a solution by using multiple  74HC595.
Thanks
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