Monitor Robot Draws on Walls

This naughty robot draws a sort of disorganized bar graph of CO2 concentration along the baseboard of the walls of a room.
It is a fine example of a robot that measures data and draws on walls.




Grower is a small 'rover' vehicle which navigates around the periphery of a room. It hugs the room’s walls and responds to the carbon dioxide levels in the air by actually drawing varying heights of 'grass' on the walls in green ink. The Grower robot senses the carbon dioxide (CO2) level in the air via a small digital CO2 sensor. This sensor is mounted high on a wall of the exhibition space and sends data wirelessly to the robot. The number of people in an exhibit space breathing in oxygen and exhaling CO2 has an immediate effect on the sensor.

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