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Hi Bd! Thanks a lot for sharing.I have a huge favor to ask you. I found something extremely similar to this, but it seems that the connections between the MAX7219 and the LedMatrix are upside down. It is basically the same but somewhat upside down, and now I'm not sure which one to follow, because I don't know the risks of getting it backwards.Could you please take a quick look at it and tell me if it is wrong?http://wiring.org.co/learning/libraries/hellomatrix.htmlThank you very much!