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NFC chip to check remaining time for public bus arrival.
Juan M8
Juan M8 May 06, 2013
NFC chip to check remaining time for public bus arrival.

I've seen these sensors...

Often 2
Occasionally 2
Rarely 1
Never 5
What is it? 1
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Similar Photos: auto paper machine sensor Sensors were installed on escalators bus station from Brasilia to help save energy. They work according to the amount of people. Thus, in pe Motion activated landscape lights. Saves electricity for when it's needed.

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