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Is ultraviolet light not the type of lighting that causes white and fluorescent colors "glow?" I am using white faced gauges with an orange needle. I hope I'm right here...
I am trying to put some ultraviolet LEDs in my truck to light up my custom gauges at night. The bulbs I have are a 3.3v forward voltage with a 4v max, with a 20mamp forward current. I am running a 12v system off a standard car battery with 6 LEDs total. I would like to know how much resistance...
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