http://www.reddit.com/user/slightly_aroused
slightly_aroused108 karma2013-12-26 15:24:42 UTC
How do the sensors mounted above the traffic signal that detect a vehicle is present at the intersection work?
We have one at my office which works fine during the day, but does not detect cars at night... thoughts?
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slightly_aroused108 karma
How do the sensors mounted above the traffic signal that detect a vehicle is present at the intersection work?
We have one at my office which works fine during the day, but does not detect cars at night... thoughts?
View HistoryShare Link