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Presence sensor used for reducing energy consumption of certain appliances.
Barbara P9
Barbara P9 May 06, 2013
Presence sensor used for reducing energy consumption of certain appliances.

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Similar Photos: highway traffic light sensor T4 Madrid-Barajas Airport: boarding pass qr code reader. It works with Iberia company. Take it on your phone and show it to the sensor. Induction-loop traffic light sensors — it's like the pedestrian crossing button, but for cars. Minimizing idle time at traffic lights.

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