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highway traffic light sensor
Fei C
Fei C May 09, 2013
highway traffic light sensor

I've seen these sensors...

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Never 0
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Similar Photos: Reflective Color Sensor from OPTEK Technology http://www.blog.tele<wbr/><span class="wbr"></span>comfuturecentre.it/2<wbr/><span class="wbr"></span>011/10/11/horizon-20<wbr/><span class="wbr"></span>20-sensors/ We have sensor that let cars in to the urban highway to avoid traffic

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