See Erin St. Blaine’s latest tutorial: NeoPixel Novelty Cufflinks with Scroll Text.
Complete tutorial: https://learn.adafruit.com/neopixel-novelty-cufflinks-with-scrolling-text/overview
In this tutorial, we’ll show you how to make your own Neopixel novelty cufflinks using Adafruit’s QT Py RP2040 and the NeoPixel 5×5 BFF plug-in. This project is very simple for beginners, requiring only a little soldering and a little wire management. We also added a metal frame to the front, filled with UV Artist resin so you can customize the diffusion.
This tutorial includes detailed instructions and all the code you need to get started. From the guide:
Complete your look this Valentine’s Day with NeoPixel novelty cufflinks. Add your own scrolling text messages to send a surprise smile to that special someone’s face. Whether it’s a romantic declaration of love, a sweet message of affection, or just a playful joke, customizable scrolling text will get your point across in a fun and silly way.
This is a fairly simple project. The welding is a bit intense, but there are only 3 parts to assemble, so you can complete this project in an afternoon and have it done in time to impress your sweetheart with your crazy fabrication skills.
This project requires only a few modifications to create a beautiful hatpin, brooch, or necklace. It packs 25 pixels in a tiny package.
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