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Pseudonymous maker “n°Storage” is on the lookout for individuals desperate to flex their expertise at surface-mount machine (SMD) soldering — with a bit of “versatile PCB origami” festooned with 80 RGB LEDs beneath the management of an exterior machine.
“FlexiBall is a modular PCB origami [in the shape of an] icosidodecahedron,” n°Storage explains of the bizarre soldering problem. “It has twenty versatile PCBs of triangular form. Every PCB is an identical and has 4 WS2812B-2020 LEDs in serial. As soon as these twenty triangular faces are related with soldering iron they varieties twelve hole pentagonal-faces. So FlexiBall is an icosidodecahedron.”
As soon as you’ve got soldered 80 LEDs to twenty of those compact triangular boards, you may make your individual FlexiBall. (📷: n°Storage)
Every of the roughly-triangular parts within the package holds 4 LEDs — one at every level and a fourth within the center — with two surface-mount capacitors per board. Soldering every board up, then is not an excessive amount of of a problem — however there are 20 boards in complete, and the versatile PCB substrate means overlong heating can render a board ineffective.
“This package serves as a wonderful train to do SMD soldering,” n°Storage claims. “It challenges your talent and your endurance. Be able to desolder if issues go unsuitable. The conventional third hand [PCB stand] just isn’t advisable as a result of the enamel of its clip makes the versatile PCB ugly. In case you are utilizing a scorching gun and solder paste, use the helper [with] a metal base with magnetic pillars.”
The FlexiBall package, which requires an exterior microcontroller related over a versatile printed circuit (FPC) cable, is accessible to order on n°Storage’s Tindie retailer at $36; those that do not fancy the problem can order one pre-assembled for an extra $60.
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