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Boosted by soatok@furry.engineer ("Soatok Dreamseeker"):
foone@digipres.club ("Alice Averlong🏳️⚧️") wrote:
This is a neat bit of tech. It's an e-paper display, which can be updated wirelessly. And it has no battery!
During programming, it's powered by the same NFC signal from your phone that's programming it. And since it's e-paper, it doesn't need power after that.https://www.waveshare.com/wiki/4.2inch%5FNFC-Powered%5Fe-Paper