For that cyberpunk aesthetic Arnov Sharma designed a custom PCB diamond. Full of LEDs for extra flare. See more from Instructables:

Here’s something super cool, a Diamond-shaped PCB Necklace powered by an Attiny13A.
The goal here was to make a Wearable Necklace or jewelry by using a PCB and a few LEDs to make a combination of Electronics and Wearable Jewellery.
The heart of this Project is an Attiny13A that controls all the LEDs present onboard, also this pendant or necklace is powered by a CR2032 Coin Cell that is on the bottom side of the board.
This Instructables is gonna be about the whole built Process of this Necklace so let’s get started.

See the full project details

Every Wednesday is Wearable Wednesday here at Adafruit! We’re bringing you the blinkiest, most fashionable, innovative, and useful wearables from around the web and in our own original projects featuring our wearable Arduino-compatible platform, FLORA. Be … // Read more: original article.

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