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Do-It-Yourself (DIY) Question & Answer Forum
Can I change my LED rope light controller
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<blockquote data-quote="Bruspark" data-source="post: 521931" data-attributes="member: 20106"><p>Just an FYI the control units and mains to low voltage power supply (may be on one box or separate) are really best best not swapped as the markings on the units are rarely that useful.</p><p></p><p>The strings with alternate and flashing patterns do this by outputting DC in one polarity to light one set of LED's in the string and the opposite polarity to activate the second set. The 'DC' is pulsed to provide brightness steps for fades etc and rapidly alternated to light all the LEDs as far as the eye sees. </p><p></p><p>All very clever - however the combined supply+controller I looked at recently had it's output simply described as 31V DC Which it never is as far as I could see ! </p><p></p><p>As replacement controllers /adapters cost most of the price of a set and cannot be guaranteed to be compatible I think replacing the whole thing is better for safety (but worse for the planet )</p></blockquote><p></p>
[QUOTE="Bruspark, post: 521931, member: 20106"] Just an FYI the control units and mains to low voltage power supply (may be on one box or separate) are really best best not swapped as the markings on the units are rarely that useful. The strings with alternate and flashing patterns do this by outputting DC in one polarity to light one set of LED's in the string and the opposite polarity to activate the second set. The 'DC' is pulsed to provide brightness steps for fades etc and rapidly alternated to light all the LEDs as far as the eye sees. All very clever - however the combined supply+controller I looked at recently had it's output simply described as 31V DC Which it never is as far as I could see ! As replacement controllers /adapters cost most of the price of a set and cannot be guaranteed to be compatible I think replacing the whole thing is better for safety (but worse for the planet ) [/QUOTE]
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Can I change my LED rope light controller
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