[Skip to Content]
Share This Photo:
highlight part of traffic light
Fei C
Fei C May 09, 2013
highlight part of traffic light

I've seen these sensors...

Often 0
Occasionally 1
Rarely 0
Never 1
What is it? 2
0 Comments     4 Tags
Similar Photos: Motion sensors track crowd density at Canal Park in Washington D.C. and glows brighter when more people are present. The magic wand from Honda uses a tilt sensor Countdown clocks are triggered when a car is stopped at a light or when ppl want to cross(help reduce accidents) http://youtu.be/ItMK<wbr/><span class="wbr"></span>KWxmKKQ

Idea Collaboration by  MindMixer