Hack a Roomba into poster printer – PosterBot

Hack a Roomba into poster printer - PosterBot
[Wyatt] built this smart posterbot a few years back. This robot will draw out any small monochrome bitmap onto poster paper. It can mark out the individual pixels just as a printer might. It works best with strings of characters. Lacking the gift of girly handwriting, he grafted an inkjet printer onto his Roomba to make posters for ...