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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 & binary_sensor domain and displays the sensors current state as well as a line graph representation of the history.

Preview

Install

HACS (recommended)

This card is available in HACS (Home Assistant Community Store). HACS is a third party community store and is not included in Home Assistant out of the box.

Manual install

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

  2. Add the resource reference as decribed below.

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/v0.12.1/mini-graph-card-bundle.js
  1. Add the resource reference as decribed below.

Add resource reference

If you configure Lovelace via YAML, add a reference to mini-graph-card-bundle.js inside your configuration.yaml:

resources:
  - url: /local/mini-graph-card-bundle.js?v=0.12.1
    type: module

Else, if you prefer the graphical editor, use the menu to add the resource:

  1. Make sure, advanced mode is enabled in your user profile (click on your user name to get there)
  2. Navigate to Configuration -> Lovelace Dashboards -> Resources Tab. Hit orange (+) icon
  3. Enter URL /local/mini-graph-card-bundle.js and select type "JavaScript Module". (Use /hacsfiles/mini-graph-card/mini-graph-card-bundle.js and select "JavaScript Module" for HACS install)
  4. Restart Home Assistant.

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=0.12.1
    type: module

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

Using the card

We recommend looking at the Example usage section to understand the basics to configure this card. (also) pay attention to the required options mentioned below.

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.
icon_image string v0.12.0 Override icon with an image url
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.
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 or string v0.2.3 Set a fixed lower bound for the graph Y-axis. String value starting with ~ (e.g. ~50) specifies soft bound.
upper_bound number or string v0.2.3 Set a fixed upper bound for the graph Y-axis. String value starting with ~ (e.g. ~50) specifies soft bound.
min_bound_range number v0.x.x Applied after everything, makes sure there's a minimum range that the Y-axis will have. Useful for not making small changes look large because of scale.
lower_bound_secondary number or string v0.5.0 Set a fixed lower bound for the graph secondary Y-axis. String value starting with ~ (e.g. ~50) specifies soft bound.
upper_bound_secondary number or string v0.5.0 Set a fixed upper bound for the graph secondary Y-axis. String value starting with ~ (e.g. ~50) specifies soft bound.
min_bound_range_secondary number v0.x.x Applied after everything, makes sure there's a minimum range that the secondary Y-axis will have. Useful for not making small changes look large because of scale.
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).
value_factor number 0 v0.9.4 Scale value by order of magnitude (e.g. convert Watts to kilo Watts), use negative value to scale down.
logarithmic boolean false v0.10.0 Use a Logarithmic scale for 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.
attribute string Retrieves an attribute or sub-attribute (attr1.attr2...) instead of the state
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, median, 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 / last Display current state. last will show the last graph point's value.
graph line line / bar / false Display option for the graph. If set to bar a maximum of 96 bars will be displayed.
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 except in interpolation (see below)) number The threshold for the color stop.
color (required) string Color in 6 digit hex format (e.g. #008080).
Line color interpolation of stop values

As long as the first and last threshold stops have value properties, intermediate stops can exclude value; they will be interpolated linearly. For example, given stops like:

color_thresholds:
  - value: 0
    color: "#ff0000"
  - color: "#ffff00"
  - color: "#00ff00"
  - value: 4
    color: "#0000ff"

The values will be interpolated as:

color_thresholds:
  - value: 0
    color: "#ff0000"
  - value: 1.333333
    color: "#ffff00"
  - value: 2.666667
    color: "#00ff00"
  - value: 4
    color: "#0000ff"

The example above will result in the following colors of the graph: if value is

  • between 0 (including this value) and 1.33333, the color is #ff0000,
  • between 1.33333 (including this value) and 2.666667, the color is #ffff00,
  • between 2.666667 (including this value) and 4, the color is #00ff00,
  • equal to or more than 4, the color is #0000ff.

As a shorthand, you can just use a color string for the stops that you want interpolated:

  - value: 0
    color: "#ff0000"
  - "#ffff00"
  - "#00ff00"
  - value: 4
    color: "#0000ff"

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).

Aggregate functions

Recorded values are grouped in time buckets which are determined by group_by, points_per_hour configuration. These buckets are converted later to single point/bar on the graph. Aggregate function defines the methods of that conversion.

Name Since Description
avg v0.8.0 Average
median v0.11.0 Median
min v0.8.0 Minimum - lowest value
max v0.8.0 Maximum - largest value
first v0.9.0
last v0.9.0
sum v0.9.2
delta v0.9.4 Calculates difference between max and min value
diff v0.11.0 Calculates difference between first and last value

Theme variables

The following theme variables can be set in your HA theme to customize the appearance 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

Single entity card

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

Alternative style

Alternative style

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

Multiple entities card

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

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

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

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).

Horizontally stacked cards

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.

Dynamic line color

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"

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.

Alternate y-axis

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

Grouping by date

mini_energy_daily

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

Data aggregation functions

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

mini_temperature_aggregate_daily

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

Non-numeric sensor states

mini_binary_sensor

You can render non-numeric states by providing state_map config. For example this way you can show data coming 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

Showing additional info on the card

изображение

It is possible to show a state without displaying a graph for a sensor. Imagine there are two CO-2 sensors & one humidity sensor; graphs are displayed for the CO-2 only, and the humidity is shown as a state only.

type: custom:mini-graph-card
entities:
  - entity: sensor.xiaomi_cg_1_humidity
    show_state: true
    show_graph: false
  - entity: sensor.xiaomi_cg_1_co2
    color: green
    show_state: false
    name: CO2-1
  - entity: sensor.xiaomi_cg_2_co2
    color: orange
    show_state: false
    name: CO2-2
name: Humidity
hours_to_show: 4
points_per_hour: 60
show:
  name: true
  legend: true
  icon: false
  labels: true

This method may be also used to add a calculated value with it's own aggregate_func option.

Accessing attributes in complex structures

When using the attribute option in the entities object, you can access data in structured attributes, such as dictionaries and lists.

Accessing dictionary attributes

Suppose you have data stored inside a dictionary attribute named dict_attribute

dict_attribute:
  value_1: 53
  value_2: 64
  value_3: 72

Such data should be addressed as dict_attribute.sub_attribute:

type: custom:mini-graph-card
entities:
  - entity: sensor.testing_object_data
    attribute: dict_attribute.value_1
    name: value_1 from dictionary attribute

image

Accessing list attributes

Suppose you have data stored inside a list attribute named list_attribute:

list_attribute:
  - value_1: 67
    value_2: 65
    value_3: 93
  - value_1: 134
    value_2: 130
    value_3: 186
  - value_1: 201
    value_2: 195
    value_3: 279

Such data should be addressed as list_attribute.index.sub_attribute:

type: custom:mini-graph-card
entities:
  - entity: sensor.testing_object_data_list
    attribute: list_attribute.0.value_1
    name: value_1 from first element of list attribute

image

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.

Note that the dev branch is the most up-to-date and matches our beta releases.

Please refer to the Contribution Guidelines if you're interested in contributing to the project. (And thanks for considering!)

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.