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Show HN: A DIY airgapped, e-ink TOTP device | Hacker News Reader

Show HN: A DIY airgapped, e-ink TOTP device

karmanyaah.malhotra.cc

12 points·karmanyaahm··2 comments

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Interesting. I wonder what the battery life is though on that single CR2032.

With my usage of checking OTPs 3-4 times a week, it lasts for ~3 months.

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