Lumen Electronic Jewelry

We love PCBs, so we were excited to see this beautiful circuitry from Lumen Electronic Jewelry:

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Fashion Gets Geeky

Lumen is the creation of Robin and Marty Lawson in Madison, Wisconsin:

We’re life-long tinkerers, siblings, and fourth generation mechanical engineers.

They’ve designed soldering kits for all levels: beginner, intermediate, and advanced surface mount soldering.  This heart is an example of an intermediate kit:

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Lumen also makes beautiful fully-assembled LED jewelry:

Solar powered twinkling LED jewelry. No batteries, hours of blinky.

We particularly like this twinkling fiberglass cephalopod:

Blinky Octopus Necklace

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Each octopus has 16 amber LED lights throughout the arms connected to 12 tiny solar cells. So your necklace will charge and blink all on its own, no batteries required.

Robin tells me that they use Free PCB for layout:

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Robin informed me that they laser their own stencils out of thin mylar sheets at their local Makerspace, Sector 67:

Robin explains that afterwards they clean the boards in an orange -based degreaser then seal in a ResinLab epoxy:
It is expensive but has a long working life, excellent hardness and optical clarity, as well as UV resistance to yellowing.
P.S. Here’s an insightful talk that Robin gave at TEDxMadison last year:
Lumen Electronic Jewelry

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