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11-Apr-2016 15:15

The four 90L boards will form a contiguous ring of LEDs.It would be difficult to get the clock and data signals off of the last 90L board (not impossible, but difficult), so we’re going to put the 8-pack at the beginning of the chain. To do this, you’ll need a flat surface, preferably one that doesn’t burn too much. Tin one of the corner connections (either power or ground) on one of the boards with some solder, like so: Then, butt the board you’ve just tinned up against the next board you want in the sequence, and reheat that solder you just placed so that it bridges between the two boards and forms enough of a mechanical connection to hold them together.Mounting the boards to a solid backing is recommended, but they should still hold together fairly well if you’re making something like a Christmas ornament or the like.

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Strip both ends of each wire about 1/16 inch to 1/8 inch, and tin them.Place the 8-pack board in the middle of the circle of 90L boards you’ve already made.



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