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AusChristmasLighting 101 Manual
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101 display basics
Newbie Controller Question
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[QUOTE="TerryK, post: 115516, member: 32169"] This problem as others will most certainly have several solutions. I calculate all of mine which unlike an ampmeter can be done in the design stage of a display. Neither is wrong and neither is right, just 2 different methods. When planning, you should have an idea of the number of pixels and the type on a string and which strings are powered from which power supply. A string current can be calculated by [NumberOfPixels * .055 (typical current per pixel rule of thumb) * DriveLevel] so as an example 84 pixels at 40% is 84 * .055 * .4 = 1.8 Amp (and a few fractions). [/QUOTE]
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