MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
And you have the polarity right going in to the addressable LEDs? As well as the signal wire? Do the LEDs do anything at all when uploading the code? When testing the board, are you powering it with usb power only, not a usb cable that's hooked up to the computer? If you can send me a picture of your assembled circuit, that might help,