Alternatives
Products that do what NFC Energy-Harvesting PCB Business Card with an MCU does
using RF to power an MCU and 21 animated LEDs from a smartphone
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This is version 2 of my ongoing heirloom device project, a digital photo frame built with the goal of lasting longer than your typical gadget. There's a part of me that wishes to commercialize a polished version of this product, but the more I speak to people, the more I become convinced that I belong to a very small minority.
2023 · jamez.it
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2023 · stavros.io
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