Hardware TOTP Device

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

Karmanyaah Malhotra

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Description

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 <a target="_blank" rel="noopener noreferrer" href="https://github.com/dpraul/hardware-2fa">https://github.com/dpraul/hardware-2fa</a> though I realize there are many similar projects out there.

Details

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

Components

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

Project Logs

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Progress Update
Karmanyaah Malhotra • 11/07/2020 at 14:43 • 0 comments

So this project stopped a few weeks ago when I destroyed half the modules due to incorrect wiring. I plan to start over soon with an Arduino Pro Mini and a better power/battery setup!
Log 1
Karmanyaah Malhotra • 09/04/2020 at 01:33 • 0 comments

Basic timing and displays are working. Next step is actual TOTP and then serial syncing.