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AusChristmasLighting 101 Manual
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[QUOTE="bpratt, post: 108598, member: 29688"] 12v power supply that plugs in to a wall ? ... one of those Dell server power supplies, 750-1200w ones are available, that you plug a cable in to it from the wall. However you need to get one of those cards that plug in to it... pretty cheap though, around $US10-15 each plus shipping. PI (Power Injection) can be done with the same power supply, as it is just providing the same power much further along the string... usually you have 18 guage wires between your pixels, so will end up with the voltage dropping progressively along the string. You just use the same power supply, but feed the power from the PSU further along, often with thicker wires to feed it. The other proviso is that your power supply is grunty enough to provide sufficient power for all your pixels. :) Some just splice the PI straight in, some cut the positive line and feed the power in from there, but leaving the negative and data wires intact. You need to buy a power supply with plenty of spare overhead for your display elements. You need to work out what brightness you want, 100% or just 30% as most run their lights at. If it is 30% brightness you want, then get a psu that will power all your pixels at least 50-60% brightness... i.e. don't make the psu work its guts out. :) [/QUOTE]
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The title of our introductory lighting manual contains a three digit number. What is that number? Clue: Display basics forum
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