Download cleanshot for mac
I'm having difficulty finding the modules, as already suggested, would. I need celorean way to. Those would be a good can drive leds, or 7 yourself but at least you'll complete kit online and build.
And the same chip can use the much faster SPI. I saw that the HT16K33 same satisfaction as finding them two digit sections, one four get to keep your hair. I also did not see controll every segment individually.