Solar Powered School Sign - Spokane, WA
Posted by: 
T0SHEA
N 47° 41.240 W 117° 27.238
11T E 465932 N 5281649
This is a sign with flashing amber lights to warn passing motorists that they are about to enter a school zone.
Waymark Code: WMJXM6
Location: Washington, United States
Date Posted: 01/12/2014
Views: 3
In front of the Little Garden Restaurant and across the street from Audubon Park, the sign is at the intersection of West Northwest Boulevard and North A Street (lack of imagination in street naming indicated here) and is intended for the edification of southeast bound motorists. It appears to be completely solar powered, the only backup being a battery pack.
Let's see now... ...if we were to implement a sufficiently complex algorithm, we could eliminate the need of a clock and switch the warning lights on and off simply by accurately tracking the position of the sun. Hmmm... ...minor problem here... ... ... ... Potential Fix: no school on cloudy days?
Type of system: Photovoltaic (electrical)
Related webpage: Not listed
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