Lovelace Mini Graph Card

A minimalistic and customizable graph card for Home Assistant Lovelace UI.

The card works with entities from within the sensor domain and displays the sensors current state as well as a line graph representation of the history.

Install

Simple install

1. Download and copy mini-graph-card-bundle.js from the latest release into your config/www directory.

2. Add a reference to mini-graph-card-bundle.js inside your ui-lovelace.yaml or at the top of the raw config editor UI.

resources:
  - url: /local/mini-graph-card-bundle.js?v=0.4.3
    type: module

CLI install

1. Move into your config/www directory

2. Grab mini-graph-card-bundle.js

$ wget https://github.com/kalkih/mini-graph-card/releases/download/v0.4.3/mini-graph-card-bundle.js

3. Add a reference to mini-graph-card-bundle.js inside your ui-lovelace.yaml.

resources:
  - url: /local/mini-graph-card-bundle.js?v=0.4.3
    type: module

(Optional) Add to custom updater

1. Make sure you've the custom_updater component installed and working.

2. Add a new reference under card_urls in your custom_updater configuration in configuration.yaml.

custom_updater:
  card_urls:
    - https://raw.githubusercontent.com/kalkih/mini-graph-card/master/tracker.json

Updating

If you have a version older than v0.0.8 installed, please delete the current files and follow the installation instructions again.

1. Find your mini-graph-card-bundle.js file in config/www or wherever you ended up storing it.

2. Replace the local file with the latest one attached in the latest release.

3. Add the new version number to the end of the cards reference url in your ui-lovelace.yaml like below.

resources:
  - url: /local/mini-graph-card-bundle.js?v=0.4.3
    type: module

You may need to empty the browsers cache if you have problems loading the updated card.

Using the card

Options

Card options

Name	Type	Default	Since	Description
type	string	required	v0.0.1	custom:mini-graph-card.
entities	list	required	v0.2.0	One or more sensor entities in a list, see entities object for additional entity options.
icon	string	optional	v0.0.1	Set a custom icon from any of the available mdi icons.
name	string	optional	v0.0.1	Set a custom name which is displayed beside the icon.
unit	string	optional	v0.0.1	Set a custom unit of measurement.
more_info	boolean	true	v0.0.1	Set to false to disable the "more info" dialog popup when pressing on the card.
group	boolean	false	v0.2.0	Disable paddings and box-shadow, useful when nesting the card.
hours_to_show	integer	24	v0.0.2	Specify how many hours of history the graph should present.
points_per_hour	number	0.5	v0.2.0	Specify amount of data points the graph should display for each hour, (basically the detail/accuracy/smoothing of the graph).
update_interval	number	optional	v0.4.0	Specify a custom update interval of the history data (in seconds), instead of on every state change.
show	list	optional	v0.2.0	List of UI elements to display/hide, for available items see available show options.
animate	boolean	false	v0.2.0	Add a reveal animation to the graph.
height	number	150	v0.0.1	Set a custom height of the line graph.
line_width	number	5	v0.0.1	Set the thickness of the line.
line_color	string/list	var(--accent-color)	v0.0.1	Set a custom color for the graph line, provide a list of colors for multiple graph entries.
color_thresholds	list	optional	v0.2.3	Set thresholds for dynamic graph colors, see Line color object.
color_thresholds_transition	string	smooth	v0.4.3	Color threshold transition, smooth or hard.
decimals	integer	optional	v0.0.9	Specify the exact number of decimals to show for states.
hour24	boolean	false	v0.2.1	Set to true to display times in 24-hour format.
font_size	number	100	v0.0.3	Adjust the font size of the state, as percentage of the original size.
font_size_header	number	14	v0.3.1	Adjust the font size of the header, size in pixels.
align_header	string	default	v0.2.0	Set the alignment of the header, left, right, center or default.
align_icon	string	right	v0.2.0	Set the alignment of the icon, left, right or state.
align_state	string	left	v0.2.0	Set the alignment of the current state, left, right or center.
lower_bound	number	optional	v0.2.3	Set a fixed lower bound for the graph Y-axis.
upper_bound	number	optional	v0.2.3	Set a fixed upper bound for the graph Y-axis.

Entities object

Providing options are optional, entities can be listed directly, see example below.

Name	Type	Default	Description
entity	string	required	Entity id of the sensor.
name	string	optional	Set a custom display name, defaults to entity's friendly_name.
color	string	optional	Set a custom color, overrides all other color options including thresholds.
unit	string	optional	Set a custom unit of measurement, overrides unit set in base config.
show_state	boolean	optional	Display the current state.
show_indicator	boolean	optional	Display a color indicator next to the state, (only when more than two states are visible).
state_adaptive_color	boolean	optional	Make the color of the state adapt to the entity color.

entities:
  - sensor.temperature
  - entity: sensor.pressure
    name: Pressure
    show_state: true
  - sensor.humidity

Available show options

All options are optional.

Name	Default	Parameter	Description
name	true	true / false	Display name
icon	true	true / false	Display icon
state	true	true / false	Display current state
graph	line	line / bar / false	Display option for the graph
fill	true	true / false / fade	Display the line graph fill
points	hover	true / false / hover	Display graph data points
legend	true	true / false	Display the graph legend (only shown when graph contains multiple entities)
extrema	false	true / false	Display max/min information
labels	hover	true / false / hover	Display Y-axis labels
name_adaptive_color	false	true / false	Make the name color adapt with the primary entity color
icon_adaptive_color	false	true / false	Make the icon color adapt with the primary entity color

Line color object

See dynamic line color for example usage.

Name	Type	Default	Description
value	number	required	The threshold for the color stop.
color	string	required	Color in 6 digit hex format (e.g. #008080)

Example usage

Single entity card

- type: custom:mini-graph-card
  entities:
   - sensor.illumination

Alternative style

- type: custom:mini-graph-card
  entities:
   - sensor.illumination
  align_icon: left
  align_state: center
  show:
    fill: false

Multiple entities card

- type: custom:mini-graph-card
  name: SERVER
  icon: mdi:server
  entities:
    - entity: sensor.server_total
      name: TOTAL
    - sensor.server_sent
    - sensor.server_received

Bar chart card

- type: custom:mini-graph-card
  entities:
    - entity: sensor.energy_consumption
  name: ENERGY CONSUMPTION
  show:
    graph: bar

Show data from the past week

Use the hours_to_show option to specify how many hours of history the graph should represent. Use the points_per_hour option to specify the accuracy/detail of the graph.

- type: custom:mini-graph-card
  entities:
    - sensor.living_room_temp
  name: LIVONG ROOM
  hours_to_show: 168
  points_per_hour: 0.25

Graph only card

Use the show option to show/hide UI elements.

- type: custom:mini-graph-card
  entities:
    - sensor.humidity
  show:
    icon: false
    name: false
    state: false

Horizontally stacked cards

You can stack cards horizontally by using one or more horizontal-stack(s).

- type: horizontal-stack
  cards:
    - type: custom:mini-graph-card
      entities:
        - sensor.humidity
      line_color: blue
      line_width: 8
      font_size: 75
    - type: custom:mini-graph-card
      entities:
        - sensor.illumination
      line_color: '#e74c3c'
      line_width: 8
      font_size: 75
    - type: custom:mini-graph-card
      entities:
        - sensor.temperature
      line_color: var(--accent-color)
      line_width: 8
      font_size: 75

dynamic line color

Have the graph change line color dynamically.

- type: custom:mini-graph-card
  entities:
    - sensor.sensor_temperature
  show:
    labels: true
  color_thresholds:
    - value: 20
      color: "#f39c12"
    - value: 21
      color: "#d35400"
    - value: 21.5
      color: "#c0392b"

Development

Clone this repository into your config/www folder using git.

$ git clone https://github.com/kalkih/mini-graph-card.git

Add a reference to the card in your ui-lovelace.yaml.

resources:
  - url: /local/mini-graph-card/dist/mini-graph-card-bundle.js
    type: module

Instructions

Requires nodejs & npm

1. Move into the mini-graph-card repo, checkout the dev branch & install dependencies.

$ cd mini-graph-card && git checkout dev && npm install

2. Make changes to the source code

3. Build the source by running

$ npm run build

4. Refresh the browser to see changes

   Make sure cache is cleared or disabled

5. (Optional) Watch the source and automatically rebuild on save

$ npm run watch

The new mini-graph-card-bundle.js will be build and ready inside /dist.

If you plan to submit a PR, please base it on the dev branch

Getting errors?

Make sure you have javascript_version: latest in your configuration.yaml under frontend:.

Make sure you have the latest versions of mini-graph-card.js & mini-graph-lib.js.

If you have issues after updating the card, try clearing your browser cache.

If you have issues displaying the card in older browsers, try changing type: module to type: js at the card reference in ui-lovelace.yaml.

License

This project is under the MIT license.