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Minimalistic graph card for Home Assistant Lovelace UI

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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.

Preview

Install

HACS

This card is available in HACS (Home Assistant Community Store).

Manual 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=0.9.3
    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/v0.9.3/mini-graph-card-bundle.js
  1. Add a reference to mini-graph-card-bundle.js inside your ui-lovelace.yaml:
resources:
  - url: /local/mini-graph-card-bundle.js?v=0.9.3
    type: module

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=0.9.3
    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 (required) string v0.0.1 custom:mini-graph-card.
entities (required) list v0.2.0 One or more sensor entities in a list, see entities object for additional entity options.
icon string v0.0.1 Set a custom icon from any of the available mdi icons.
name string v0.0.1 Set a custom name which is displayed beside the icon.
unit string v0.0.1 Set a custom unit of measurement.
tap_action action object v0.7.0 Action on click/tap.
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).
aggregate_func string avg v0.8.0 Specify aggregate function used to calculate point/bar in the graph, avg, min, max, first, last, sum.
group_by string interval v0.8.0 Specify type of grouping of data, dynamic interval, date or hour.
update_interval number v0.4.0 Specify a custom update interval of the history data (in seconds), instead of on every state change.
cache boolean true v0.9.0 Enable/disable local caching of history data.
show list 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.
bar_spacing number 4 v0.9.0 Set the spacing between bars in bar 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 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 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 v0.2.3 Set a fixed lower bound for the graph Y-axis.
upper_bound number v0.2.3 Set a fixed upper bound for the graph Y-axis.
lower_bound_secondary number v0.5.0 Set a fixed lower bound for the graph secondary Y-axis.
upper_bound_secondary number v0.5.0 Set a fixed upper bound for the graph secondary Y-axis.
smoothing boolean true v0.8.0 Whether to make graph line smooth.
state_map state map object v0.8.0 List of entity states to convert (order matters as position becomes a value on the graph).

Entities object

Entities may be listed directly (as per sensor.temperature in the example below), or defined using properties of the Entity object detailed in the following table (as per sensor.pressure in the example below).

Name Type Default Description
entity (required) string Entity id of the sensor.
name string Set a custom display name, defaults to entity's friendly_name.
color string Set a custom color, overrides all other color options including thresholds.
unit string Set a custom unit of measurement, overrides unit set in base config.
aggregate_func string Override for aggregate function used to calculate point on the graph, avg, min, max, first, last, sum.
show_state boolean Display the current state.
show_indicator boolean Display a color indicator next to the state, (only when more than two states are visible).
show_graph boolean Set to false to completely hide the entity in the graph.
show_line boolean Set to false to hide the line.
show_fill boolean Set to false to hide the fill).
show_points boolean Set to false to hide the points.
show_legend boolean Set to false to turn hide from the legend.
state_adaptive_color boolean Make the color of the state adapt to the entity color.
y_axis string If 'secondary', displays using the secondary y-axis on the right.
fixed_value boolean Set to true to graph the entity's current state as a fixed value instead of graphing its state history.
smoothing boolean Override for a flag indicating whether to make graph line smooth.
entities:
  - sensor.temperature
  - entity: sensor.pressure
    name: Pressure
    show_state: true
  - sensor.humidity

Available show options

All properties are optional.

Name Default Options 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).
average false true / false Display average information.
extrema false true / false Display max/min information.
labels hover true / false / hover Display Y-axis labels.
labels_secondary hover true / false / hover Display secondary 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 (required) number The threshold for the color stop.
color (required) string Color in 6 digit hex format (e.g. #008080).

Action object options

Name Type Default Options Description
action string more-info more-info / navigate / call-service / url / none Action to perform.
entity string Any entity id Override default entity of more-info, when action is defined as more-info.
service string Any service Service to call (e.g. media_player.toggle) when action is defined as call-service.
service_data object Any service data Service data to include with the service call (e.g. entity_id: media_player.office).
navigation_path string Any path Path to navigate to (e.g. /lovelace/0/) when action is defined as navigate.
url string Any URL URL to open when action is defined as url.

State map object

Name Type Default Description
value (required) string Value to convert.
label string same as value String to show as label (if the value is not precise).

Theme variables

The following theme variables can be set in your HA theme to customize the appearence of the card.

name Default Description
mcg-title-letter-spacing Letter spacing of the card title (name option).
mcg-title-font-weight 500 Font weight of the card title.

Example usage

Single entity card

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

Single entity card

Alternative style

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

Alternative style

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

Multiple entities card

Bar chart card

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

Bar chart card

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: LIVING ROOM
  hours_to_show: 168
  points_per_hour: 0.25

Show data from the past week

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

Horizontally stacked cards

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"

Dynamic line color

Alternate y-axis

Have one or more series plot on a separate y-axis, which appears on the right side of the graph. This example also shows turning off the line, points and legend.

- type: custom:mini-graph-card
  entities:
    - entity: sensor.verandah
      name: Verandah
    - entity: sensor.lounge
      name: Lounge
    - entity: sensor.kitchen
      name: Kitchen
    - color: gray
      entity: input_number.nighttime
      name: Night
      show_line: false
      show_points: false
      show_legend: false
      y_axis: secondary
  show:
    labels: true
    labels_secondary: true

Alternate y-axis

Grouping by date

You can group values by date, this way you can visualize for example daily energy consumption.

- type: custom:mini-graph-card
  entities:
    - entity: sensor.energy_daily
  name: Energy consumption
  hours_to_show: 168
  aggregate_func: max
  group_by: date
  show:
    graph: bar

mini_energy_daily

Data aggregation functions

You can decide how values are agreggated for points on graph. Example how to display min, max, avg temerature per day from last week.

- type: custom:mini-graph-card
  entities:
    - entity: sensor.outside_temp
      aggregate_func: max
      name: Max
      color: #e74c3c
    - entity: sensor.outside_temp
      aggregate_func: min
      name: Min
    - entity: sensor.outside_temp
      aggregate_func: avg
      name: Avg
      color: green
  name: Temp outside daily (last week)
  hours_to_show: 168
  group_by: date

mini_temperature_aggregate_daily

Non-numeric sensor states

You can render non-numeric states by providing state_map config. For example this way you can show data comming from binary sensors.

- type: custom:mini-graph-card
  entities:
    - entity: binary_sensor.living_room_motion
      name: Living room
    - entity: binary_sensor.corridor_motion
      name: Corridor
    - entity: binary_sensor.master_bed_motion
      name: Master bed.
      color: green
    - entity: binary_sensor.bedroom_motion
      name: Bedroom
  name: Motion last hour
  hours_to_show: 1
  points_per_hour: 60
  update_interval: 30
  aggregate_func: max
  line_width: 2
  smoothing: false
  state_map:
    - value: "off"
      label: Clear
    - value: "on"
      label: Detected

mini_binary_sensor

Development

  1. Clone this repository into your config/www folder using git:
$ git clone https://github.com/kalkih/mini-graph-card.git
  1. 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
  1. Make changes to the source code.

  2. Build the source by running:

$ npm run build
  1. Refresh the browser to see changes.

    Make sure cache is cleared or disabled.

  2. (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.

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Minimalistic graph card for Home Assistant Lovelace UI

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