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

12 points by karmanyaahm 2 years ago | 2 comments

wkat4242 2 years ago |

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

karmanyaahm 2 years ago | |

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

wkat4242 2 years ago |

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

karmanyaahm 2 years ago | |

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