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Nfc sensor. Proximity
Andres S1
Andres S1 May 05, 2013
Nfc sensor. Proximity

I've seen these sensors...

Often 3
Occasionally 2
Rarely 1
Never 6
What is it? 4
1 Comment     16 Tags
Similar Photos: highway traffic light sensor Smart Grid City<br/><br/>http://jcwinnie.biz/<wbr/><span class="wbr"></span>wordpress/?p=2846 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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