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2024 Mini Christmas Light Expos
Sydney Mini, 1-2 June
|
Perth Mini, 8 June
|
Melbourne Mini, 29-30 June
|
Brisbane Mini, 27-28 July
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[QUOTE="Iain, post: 133795, member: 28267"] One power supply? I'm over-estimating in multiple places, but: [LIST] [*]roughly 48mA per pixel [*]5000 pixels (I think you have?) .048*5000 = 240A [*]*5V to get power required = 1200W [*]plus 10% headroom if you want full 100% brightness on all pixels at once and leave some space for your PS to smile = 1333W [/LIST] In reality, pixels probably use a bit less each, power supplies may have the headroom built in to their numbers, and if you use a derating brightness curve (I have a spreadsheet) you don't need all that power either... so depends what you want. But probably more than one. Also with 5V you'll want to get minimal voltage drop to each prop, so either big thick cables or multiple supplies near a group of props, or both. [/QUOTE]
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