Self-hosted e-ink device management system for TRMNL devices and devices compatible with TRMNL 1.6.9 software. Design screens, create custom widgets, and manage your displays from a modern web interface.

Features

• Screen Designer — Drag & drop widget placement, snap guides, freehand drawing, export/import
• Built-in Widgets — Clock, date, text, weather, countdown, days until, QR code, image, GitHub stars, battery, WiFi, device info
• Custom Widgets — Connect to any JSON API or RSS feed, field extraction, JavaScript transformations, grid layouts
• Playlists — Rotate multiple screens on devices automatically
• Device Management — Auto-provisioning, real-time status, configurable refresh rates, logs

Screenshots

Screen Designer	Devices	Screens

List of sources	Custom Data Sources	Custom Widgets

Quick start

git clone https://github.com/wojo-o/inker.git
cd inker
cp .env.example .env    # optionally edit settings
docker compose up -d --build

Open http://your-server-ip:80 and log in with PIN 1111.

First start takes a few minutes to build. Subsequent starts are instant.

Configuration

Copy .env.example to .env and edit as needed:

Variable	Description	Default
ADMIN_PIN	Login PIN	1111
POSTGRES_PASSWORD	Database password	inker_password
TZ	Timezone for widgets	UTC
JWT_SECRET	Session signing key	dev default
INKER_PORT	Frontend port	80

License

Source Available — see LICENSE for details.