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Project: The Programmable Projector
Student: Tanne van Bree (The Netherlands)
Mentor: Catalogtree and Lutz Issler
Department: Masters Information Design
Year: 2012, 1st trimester of year 1

Pollution Projector
“In many modern cities, such as New York City and Las Vegas, the level of illumination at night is almost that of a sunny day.”

Pollution Projector is a projector that uses the intensity of available sunlight to visualize different levels of light pollution caused by big cities by night. Light pollution is excessive or obtrusive artificial light.

When the projector is placed in bright sunlight, this light and the city-name of the most light-polluted city get projected onto a surface. If the intensity of the sunlight changes, by clouds or the setting sun, the projection gets less intense and a city-name of a corresponding less light polluted city will be shown.

The projector works by reflecting the sunlight into a lens with a mirror. In front of the lens is a light sensor that measures the intensity of the sunlight. Also in front of the lens is a transparent disk that holds the different city-names. A servo engine changes the city-name placed in front of the lens. This servo is controlled by an Arduino that uses the input from the light sensor.

Published: 10-Feb-2013 15:55
  • Pollution Projector

    Pollution Projector

  • Pollution Projector

  • Pollution Projector