Hardware TOTP Device

A (hopefully) small and easy to carry device that displays TOTP codes.

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The goal of this device is to have a (small) screen and be able to show TOTP codes for multiple accounts. In a perfect world, this would be about the size of a wireless earbuds case and would have only one button as a moving part.Originally inspired by though I realize there are many similar projects out there.

This project is currently getting started and there aren't many details yet.

  • 1 × Any Arduino with a USB port and an ATmega328
  • 1 × RTC I'm using the DS3231
  • 1 × 0.91" 128x32 OLED Display

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