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AusChristmasLighting 101 Manual
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[QUOTE="i13, post: 116976, member: 21708"] Answering the questions: 5V or 12V: 12V is better at covering longer distances without power injection (connecting the string of lights back to a power supply part-way along it to help avoid voltage drop) but the compromise is power consumption. It is a good option when there are multiple LEDs per pixel because more of the extra power is used to make light instead of heat. I generally recommend 12V when you have a small number of pixels in a large area and 5V when you have a large number of pixels in a small area. I use both 5V and 12V. There are different types of 12V pixels which you can read about in this thread [URL]https://auschristmaslighting.com/threads/12161/[/URL] I notice that one set of lights you linked to has 20 AWG wire, one has 18 AWG and one isn't specified. On request, Ray will generally use whatever wire size you want and if you don't mind a slightly higher price, thicker (lower AWG numbers) is better because it reduces the voltage drop. He'll customise the spacing too but wider spacing means more voltage drop. I notice that the second link in your post looks the same as the second pixel that Mark_M pictured except that it has dark casing instead of clear. Although I haven't tried them, my suggestion would be to stick with the one that Mark_M recommends instead of the one in your second link. The price difference is minimal and you'll almost definitely get more brightness due to it containing two RGB LEDs. If that's too bright then you can turn it down. Mark_M has pretty much beaten me to it with answering the controller question. For sequencing (coordinating which lights turn on when), you'd use software like xLights which has a GUI in which you can map your display, place effects on your display items and set their parameters. I have no doubt that it'll do a reasonably good job of imitating the effect of the original light sets that you already have. On the topic of failures, I haven't had too much trouble with pixel nodes. If one does fail, you can cut it out and solder another one in its place without having to remap anything. The controller just sends out data for however many pixels you tell it to and those pixels display the effects. Swapping out a pixel or strand has no effect. If one pixel does fail, it can stop passing the data to all of the pixels after it, causing them to stop working until you fix the problem. [/QUOTE]
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