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Show HN: A DIY airgapped, e-ink TOTP device (karmanyaah.malhotra.cc)
12 points by karmanyaahm 1040 days ago
1 comments
wkat4242 1039 days ago
Interesting. I wonder what the battery life is though on that single CR2032.
link
karmanyaahm 1038 days ago
With my usage of checking OTPs 3-4 times a week, it lasts for ~3 months.
link