"I remember years ago when municipalities replaced incandescent traffic
lights with LED lights to save money. They discovered that in winter the
snow would cover and block the lights since they didn’t generate heat
like their predecessors."
Another issue, both with LED traffic signals, and automotive lights,
which personally bugs the crap out of me, is the hot/cold of just the
weather alone causes the solder joints to fail quickly, and I see lamps
with various blocks, chunks, stripes, et cetera where a section no
longer illuminates.
One would have imagined this to be resolved in initial testing, but I
still see it on a daily basis, after, what, some thirty years of
technology evolution?
Kurt
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