The History Graph card allows you to display a graph for each of the entities listed.
Screenshot of the History Graph card, when the sensor has no `unit_of_measurement` defined.
Screenshot of the History Graph card, when the sensor has a `unit_of_measurement` defined.
To add the History Graph card to your user interface, click the Lovelace menu (three dots at the top right of the screen) and then Edit Dashboard. Click the plus button in the bottom right corner and select History Graph from the card picker. All options for this card can be configured via the user interface.
Hours to show. Minimum is 1 hour, maximum of 80 hours.
If you define entities as objects instead of strings, you can add more customization and configuration:
Alternatively, the card can be configured using YAML:
type: history-graph title: 'My Graph' entities: - sensor.outside_temperature - entity: media_player.lounge_room name: Main player