“Way back” in 2009, students in the UC Berkley “ME 102″ class came up with this excellent automatic chalk-spraying machine. It uses 8 cans of spray-chalk to spray the message of your choosing onto the sidewalk or street as you push it along. This device is controlled by two Arduino […]
from MAKE http://ift.tt/YUF2Gy
via IFTTT
No comments:
Post a Comment