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AusChristmasLighting 101 Manual
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101 display basics
Why all the ports on a controller…
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[QUOTE="merryoncherry, post: 130641, member: 37249"] You can run 750 pixels off one port on some controllers, including the F4V3. You can run 750 regulated pixels off one 350W 12V PSU, though will possibly not hold 100% white indefinitely, especially in warm environments. At 50% you should be fine. The trick is safe application of fuses, while maintaining clean data. (Icicles are not as bad in this regard because the power and data wires are relatively short.) You seem to be hung up a bit on whether you want the PSU in the controller to be that one PSU, leaving very little power for the other ports, or if you want to do something else. This is a matter of preference, where you can conveniently locate things, if there is room in the enclosure of the F4 and whether it would stay cool with a bigger PSU, etc., or whether another box should be added, and whether that would go near the F4 or far from it. I would say what would work well in your physical space would drive the design decision. While it's tempting to cram as many pixels onto a controller as possible, this mentality comes from believing that the controller ports are a very "scarce resource" and that other things (PI wire, time, etc.) are cheap. I have lots of controller ports, price them in my mind at $20-$25 each, and my time is valuable, so I don't have that many pixels per port... sometimes as many as 300-400, but on average 140 (not counting empty ports). I'm also a bad planner and like flexibility, so I don't invest in a detailed wiring and power scheme in advance, I just run extensions to controller ports. [/QUOTE]
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