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Magic of Sun Light
sandipan S
sandipan S May 06, 2013
Magic of Sun Light

I've seen these sensors...

Often 0
Occasionally 2
Rarely 3
Never 5
What is it? 0
2 Comments     10 Tags
Similar Photos: An automatic system for parking fee (top) A Bicing station; a close-up of a bicycle and parking slot; and a user at a station kiosk using RFID to check-out a bicycle; (bottom) NFC chip to check remaining time for public bus arrival.

Idea Collaboration by  MindMixer