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Sudharshan R
Sudharshan R May 07, 2013

I've seen these sensors...

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Similar Photos: It is a pedestrian crossing sensor. Once people touch it, this displays a red sign which tells one can cross. It is widely used in Germany. A sensor that monitors energy consumption. By pluging the sensor into a wall socket you can read how much energy each appliance uses. In london, when dancing in this club, the sensors on the floor (where plaques were placed), can generate around 60% of the energy needed

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