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TRMNL in Home Assistant
trmnl
part of Home Assistant since 2026.4
Cloud, polling
Set up in the user interface
Quality: Platinum
TRMNL is an official Home Assistant integration for Sensor, Switch and Time. Works through the manufacturer’s cloud and asks for changes at regular intervals – it depends on the internet connection and the service.
Facts about this integration
- Compatible with Home Assistant
- yes, official integration
- Connection
- Cloud, polling – Works through the manufacturer’s cloud and asks for changes at regular intervals – it depends on the internet connection and the service.
- Setup
- in the user interface
- Kind
- Hub – several devices through one gateway or account
- Quality scale
- Platinum – The highest level: fully typed, efficient and maintained to every rule of the project.
- Installations
- 354 (0.1 % of the installations that share statistics)
- Provides
- Diagnostics, Sensor, Switch, Time
- Maintained by
- @joostlek
- Python packages
trmnl==0.1.1
Setup
- In Home Assistant open Settings → Devices & services.
- Click "Add integration" and search for TRMNL.
- Follow the dialog – it asks for everything the integration needs.
The link goes through my.home-assistant.io and opens the setup dialog in your own instance – no address of ours is involved.
Community versions in HACS
These extensions use the same domain. Installed through HACS, one of them takes the place of the official integration – usually to bring a feature or a fix sooner. Remove it again once Home Assistant has caught up.
- HACS TRMNL E-Ink Display Battery – Provides sensors for getting trmnl devices battery voltage/percentage from servers
Source of this entry: the official documentation of the integration