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Food sensor for freshness
Miguel R3
Miguel R3 May 06, 2013
Food sensor for freshness

I've seen these sensors...

Often 0
Occasionally 1
Rarely 1
Never 5
What is it? 2
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Similar Photos: Cable-Actuated Position Sensor I used this outside my local bistro. I love that I don't need to keep change in my car any more. On my bike ride this morning, I took this picture of pavement sensors under the road that sense when to change the traffic light.

Idea Collaboration by  MindMixer