> The other day I followed a truck that utilized LED brake lights
> and turn signals.  Plenty bright even in direct sunlight

Buses around these here parts use yellowish LEDs in the
destination signs. Wash out completely when the sun is
directly on them. Wouter's sign is fixed in one position, I
presume, so maybe that wouldn't be an issue

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu