Skip to content
HardwareLab
Digital Picture Frames & E-InkIntermediate

unidex

A pocket e-ink OS that turns voice notes into Obsidian Markdown.

  1. Open tools.unidex.shop, plug in the board, wake it with a button and click Install.
  2. Copy the starter folder to a FAT32 micro SD card and put it in the board.
  3. Add your timetable from the website's Tools page, or edit timetable.csv on the card.
  4. Optional: set up Wi-Fi and API keys on the Setup page for voice notes.

Steps condensed from the creator's guide.

unidex
No photo in the source; GitHub repository card, served from HardwareLab.

By Forrest404

View original on GitHub View original on unidex.shop
Posted
GitHub stars
66 (GitHub)

Build sheet

Board
Waveshare ESP32-S3 1.54" e-paper board
AI model or service
Speech-to-text + LLM cleanup of voice notes
Difficulty
Intermediate

Overview

Two-button e-paper gadget showing your next class with a countdown, recording voice notes that get transcribed and tidied into Markdown for Obsidian, plus a pet that visits friends' devices.

How it works

A Waveshare ESP32-S3 e-paper board shows your next class; voice notes are transcribed and tidied into Markdown, and a pet visits friends' devices.

Hardware

  • Waveshare ESP32-S3 1.54" e-paper board

More ESP32 builds

Like this build? Get the weekly builds

Get the best new AI hardware builds every Thursday. One email a week, free.

Built something? Submit a build

This page is a short summary written by HardwareLab. Build steps, code and photos belong to the creator; follow “View original” for the full project.

Featured? Add this badge

Built this? Paste the badge into your README. It links back to this page.

Featured on HardwareLab

Markdown

[![Featured on HardwareLab](https://hardwarelab.dev/badge.svg)](https://hardwarelab.dev/projects/unidex/?utm_source=badge&utm_medium=referral&utm_campaign=launch_2w)

HTML

<a href="https://hardwarelab.dev/projects/unidex/?utm_source=badge&utm_medium=referral&utm_campaign=launch_2w"><img src="https://hardwarelab.dev/badge.svg" alt="Featured on HardwareLab" width="188" height="20"></a>

Related builds

All 39 in Digital Picture Frames & E-Ink