OpenSquare is an experiment about hacking any RC car and transforming it into a powder/flour/paint dispenser to write huge messages on a square in the city.
I want to explore some cheap/lowtech/lowknowledge/offthegrid way for any activist to write a big alternative message without prior consent.
Here it's testing the ability to draw with salt with the hacked RC car.

More at:
And make your own following the instructions:

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…