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AusChristmasLighting 101 Manual
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[QUOTE="TerryK, post: 116606, member: 32169"] I cannot purchase anything through AliExpress or Ray Wu due to the financial entity I use. I obtain string pixels from either RGB Man, Wired Watts, or Wally's Lights. The WS2815 strip is BTF Lighting via Amazon. RGB Man does not stock any quantities so just about anything purchased from his site is drop shipped from China. This helps keep his costs down but also then results in a long delivery. Look for 18 AWG wire size in strings with 4 inch pixel spacing. The wire size from China always runs small and if a listing does not indicate the size it will almost certainly be 20/22 AWG or less (higher # AWG size is a smaller wire). The 4 inch spacing works pretty well for most props. Ray Wu can do custom builds if desired. With the ESP, a point to keep in mind is most SBCs (small board computers) typically have 3.3 Volt outputs. Pixel ICs are 5 Volt devices and there are situations where they cannot be correctly driven with the 3.3 Volt output. In that case a level shifter can be used between the SBC and string/strip. The WS2815 I mentioned is a 12 Volt device but still requires a 5 Volt Data Line input. [/QUOTE]
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