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Saturday, March 2, 2024

Tindie Weblog | New & Improved Fibonacci Earrings!


We coated the unique Fibonacci Earrings by California STEAM on the weblog, however since then they’ve been tweaked and improved, and are actually supercapacitor-based! The all-new Rechargeable Supercapacitor Fibonacci Earrings can be found in turquoise or pink, and similar to the unique are dazzling and a surefire approach to make an entrance at any convention or hacker get-together!

Nearly all wearables with LEDs use coin cell batteries. Whereas these are a neat little bit of expertise, they don’t actually have sufficient oomph to maintain power-hungry circuitry like these LED arrays working for lengthy evenings. Plus, coin cells have a destructive environmental impression, and the price of working earrings like these would shortly get them relegated to the again of the jewellery field. With these points in thoughts, California STEAM determined to check some different technique of power storage and got here throughout hybrid supercapacitors which match the invoice completely.

Hybrid supercapacitors have the identical advantages as conventional supercaps — quick cost cycles, low output impedance, and an enormous variety of cost/discharge cycles, whereas additionally providing elevated power density and a better working voltage. The caps on these earrings can maintain them working for 20 hours, after which be absolutely recharged in solely three minutes from a good USB energy provide! Add in low self-discharge, and it’s straightforward to maintain these earrings able to go for an evening in town.

One other change was to 0603 LEDs, which allowed extra colors just like the turquoise and pink we see right here. The older design used 0402 LEDs which had been restricted to extra fundamental colors. If you wish to see them in motion, try the video beneath, and you should definitely try the product web page!

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