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AusChristmasLighting 101 Manual
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101 display basics
Resistor Pixel?
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[QUOTE="scamper, post: 104021, member: 22285"] All leds run on low voltage typically around 2v depending on colour. When you run 12v strings, you must get rid of all that extra voltage, so there are 2 ways to do this, by using a dropping resistor, which is inefficient and causes a fair bit of heat or a regulator, which is more efficient and still causes heat, but not as much. regulator ones are generally the better option but you obviously pay a little more. The voltage drop has been the big controversy in led strings for ages when comparing 5v vs 12v. (obviously you need to drop less voltage in 5v so draw less current) [/QUOTE]
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