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Archive for the ‘UC Berkley’ Category

Aug
25

The ChalkJET Writing Machine

arduino, chalk, dot matrix, Electronics, Robotics, UC Berkley Comments Off on The ChalkJET Writing Machine 

chalk-writer“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 […]

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