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Lumen PnP Strip Light Ring Mounts — image 1
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Lumen PnP Strip Light Ring Mounts

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Alternative light ring mounts for the Opulo Lumen PnP using standard 5V 5050 LED strips.

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Model information

License
Creative Commons — Attribution — Noncommercial

These are ring light mounts for the Opulo Lumen PnP that utilize standard 5V 5050 LED strips instead of the custom ring light boards designed by Opulo.  A standard 3-pin JST-XH (2.5mm) header can be press-fit into the model and soldered to the strip light by poking holes through the solder pads in the strip.  The leads must be trimmed flush after soldering to fit in the mount.  BE SURE TO USE 5V LEDS, NOT 12V, and you'll want the 3-wire WS2812B strips, not the new 4-wire WS2813's in order for the JST connector to mount properly.  Also, take careful note of the wiring, as the Lumen motherboard puts the +5V signal on the middle wire, while most LED strips put data in the middle, so you'll likely need to swap pins in one of the JST connectors.

Print using white filament for best results.  When printing the solid body diffuser versions, wall and bottom thickness should be around 1mm, and infill should be around 25%.  Cubic infill seems to work well for diffusion.