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

1–3 of 3 posts

Post by karmanyaahm » Fri, Aug 11, 2023, 4:50 PM UTC

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

Post by wkat4242 » Sat, Aug 12, 2023, 6:14 PM UTC

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

Post by karmanyaahm » Mon, Aug 14, 2023, 3:43 AM UTC

wkat4242 wrote: post #2

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.