It’s a prototype called txtBOMBER, by Felix Vorreiter. It has seven solenoid-actuated pens and an Arduino for a brain. [via Dude Craft]

Sean Michael Ragan

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.

  • screaminscott

    This is a really cool idea.

    I would be concerned with rough surfaces tearing the tip of paint ‘pens’. I wonder if you could use miniature rollers.

    Spray paint would probably work better. I know someone had made a remote control car with spray paint cans that painted graffiti on the sidewalk.

    Even cooler, I could see this as a kids toy, that just used water to ‘paint’ words temporarily on the sidewalk

  • RocketGuy

    Rather than spray paint, chalk “spray paint” markers are removable.

    Well, mostly removable, some of the chalks out there can be pretty persistent.