Billy can draw any image
It does with remarkable accuracy, which is the result of combining a accurate localization system and a motion control algorithm.
Billy arms and hands
They are used to hold and control the height of the brush and even apply different amounts of pressure if needed.
Billy's body is made out of LEGO parts
He is about 25 cm tall and its trunk hosts a small (LEGO) microcomputer that is in charge of controlling him.
Billy uses a brush to draw
He can also apply different amounts of pressure to make thicker or thiner lines.
Billy eyes and mouth
He has infrared sensors in his eyes that are used to communicate simple commands such as when to begin drawing. His mouth is a gyroscope that is used to track his orientation.
Billy's signature
As any good artist, he signs his art when he finishes drawing.
Videos & links
Billy drawing Olaf
- Source code
Most of the code used for this work has been open sourced
- Instructions
This website explains basic and advanced control an localization concepts used for this work
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