Category Archives: earrings

Clever Battery Holder Hack Makes Brilliant Earrings

We love seeing a thing get used effectively for other than its intended purpose, and this DIY LED Earrings project is a great example. [IdunnGoddess] liked the idea of making light-up LED earrings powered by a small coin cell, but an enclosure and power connection for the battery were sticking points. The solution? A googly eye after a few minor modifications turned out to be perfect.

A googly eye resembles a thin, flat, hollow plastic bulb. Choose one that’s just a bit bigger than the coin cell, and cut a slot in one end and a small hole in the …read more

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Posted in coin cell, diy, earrings, fashion, googly eyes, how-to, led, led hacks | Leave a comment

Tiny LED Earrings are a Miniaturization Tour de Force

Light up jewelry is nothing new – we see wearables all the time here. But home brew, self-contained, programmable LED earrings that are barely larger than the watch batteries which power them? That’s something worth looking into.

Settle back and watch [mitxela]’s miniature wizardry in the video below, but be forewarned: it runs 36 minutes. Most of the video is necessarily shot through a microscope where giant fingers come perilously close to soldering iron and razor blade.

The heart of the project is an ATtiny9, a six-legged flea of a chip. The flexible PCB is fabricated from Pyralux, which is …read more

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Posted in ATtiny9, earrings, jewelry, led, machining, miniaturization, misc hacks, wearable hacks | Leave a comment