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Uncle Dave · 10-08-2012, 09:42 PM

It could be that to reduce the 12 v to 2 v or so for the LED that they use an oscolator then covert back to DC with a diode. More efficent than dropping the voltage with a Resistor.

10-08-2012, 09:42 PM	#2 (permalink)
Uncle Dave EcoModding Lurker Join Date: Feb 2012 Location: Colorado Posts: 26 Thanks: 0 Thanked 1 Time in 1 Post	It could be that to reduce the 12 v to 2 v or so for the LED that they use an oscolator then covert back to DC with a diode. More efficent than dropping the voltage with a Resistor.