One of the developers just replied on his blog. They're working on the documentation, and it will be up soon. As far as power delivery goes, off of a USB conne

One of the developers just replied on his blog. They're working on the documentation, and it will be up soon. As far as power delivery goes, off of a USB connection it can support a 3 x 3 grid, and they're working on a power supply board that will support 15 x 15. Pretty cool.