GraffitiWriter is a tele-operated field programable robot which employs a custom built array of spray cans to write linear text messages on the ground at a rate of 15 kilometers per hour. The printing process is similar to that of a dot matrix printer. GraffitiWriter can be deployed in any highly controlled space or public […]
This guy has used a simple pic processor and the POV princible to make his bike wheels write text. A cool idea but probaly quite distacting to other road users.