Adding Efa Bus Timetable to Home Assistant

If you are using the EFA bus timetable you can add a Departure Bus Timetable like this to your Home Assistant instance:

First up we need to configure a Rest Sensor in Home Assistant that will return the JSON response from the EFA API. Add this code to your configuration.yaml file. You will need to replace the "nameInfo_dm" with your desired station ID. You can find a list of station IDs here.

 - platform: rest
   unique_id: '7ed6dfcd3dbc7544c7c880d265b4bc54'
   resource: https://www.efa-bw.de/bvb3/XML_DM_REQUEST?laguage=de&typeInfo_dm=stopID&deleteAssignedStops_dm=1&useRealtime=1&mode=direct&outputFormat=rapidJSON&limit=4&nameInfo_dm=53032154&version=10.5.17.3
   scan_interval: 60
   json_attributes:
      - "stopEvents"
   name: "Abfahrten"

Then we need to add the sensor to our lovelace UI:

type: vertical-stack
cards:
  - type: custom:mushroom-title-card
    title: Abfahrten
  - type: horizontal-stack
    cards:
      - square: false
        columns: 2
        type: grid
        cards:
          - type: custom:mushroom-template-card
            primary: >-
              {{state_attr('sensor.abfahrten','stopEvents')[0].transportation.destination.name}}
            secondary: >-
              {% set t =
              ((state_attr('sensor.abfahrten','stopEvents')[0].departureTimeEstimated
              | as_datetime - now()).total_seconds() // 60)  %} {% if (t > 0) %}
              in {{t | round }}'  {% elif (t < 0) %} Verpasst {% elif (t > 59)
              %} Später {% elif (t > 120) %} Morgen {% endif %}
            icon: mdi:bus
            entity: sensor.abfahrten
            layout: horizontal
            tap_action:
              action: none
            hold_action:
              action: none
            double_tap_action:
              action: none
            icon_color: >-
              {% set t =
              ((state_attr('sensor.abfahrten','stopEvents')[0].departureTimeEstimated
              | as_datetime - now()).total_seconds() // 60)  %} {% if (t < 5) %}
              red {% elif (t < 9) %} orange {% elif (t > 8) %} green {% endif %}
            badge_icon: ''
            badge_color: ''
          - type: custom:mushroom-template-card
            primary: >-
              {{state_attr('sensor.abfahrten','stopEvents')[1].transportation.destination.name}}
            secondary: >-
              {% set t =
              ((state_attr('sensor.abfahrten','stopEvents')[1].departureTimeEstimated
              | as_datetime - now()).total_seconds() // 60)  %} {% if (t > 0) %}
              in {{t | round }}'  {% elif (t < 0) %} Verpasst {% elif (t > 59)
              %} Später {% elif (t > 120) %} Morgen {% endif %}
            icon: mdi:bus
            entity: sensor.abfahrten
            layout: horizontal
            tap_action:
              action: none
            hold_action:
              action: none
            double_tap_action:
              action: none
            icon_color: >-
              {% set t =
              ((state_attr('sensor.abfahrten','stopEvents')[1].departureTimeEstimated
              | as_datetime - now()).total_seconds() // 60)  %} {% if (t < 5) %}
              red {% elif (t < 9) %} orange {% elif (t > 8) %} green {% endif %}
            badge_icon: ''
            badge_color: ''
          - type: custom:mushroom-template-card
            primary: >-
              {{state_attr('sensor.abfahrten','stopEvents')[2].transportation.destination.name}}
            secondary: >-
              {% set t =
              ((state_attr('sensor.abfahrten','stopEvents')[2].departureTimeEstimated
              | as_datetime - now()).total_seconds() // 60)  %} {% if (t > 0) %}
              in {{t | round }}'  {% elif (t < 0) %} Verpasst {% elif (t > 59)
              %} Später {% elif (t > 120) %} Morgen {% endif %}
            icon: mdi:bus
            entity: sensor.abfahrten
            layout: horizontal
            tap_action:
              action: none
            hold_action:
              action: none
            double_tap_action:
              action: none
            icon_color: >-
              {% set t =
              ((state_attr('sensor.abfahrten','stopEvents')[2].departureTimeEstimated
              | as_datetime - now()).total_seconds() // 60)  %} {% if (t < 5) %}
              red {% elif (t < 9) %} orange {% elif (t > 8) %} green {% endif %}
            badge_icon: ''
            badge_color: ''
          - type: custom:mushroom-template-card
            primary: >-
              {{state_attr('sensor.abfahrten','stopEvents')[3].transportation.destination.name}}
            secondary: >-
              {% set t =
              ((state_attr('sensor.abfahrten','stopEvents')[3].departureTimeEstimated
              | as_datetime - now()).total_seconds() // 60)  %} {% if (t > 0) %}
              in {{t | round }}'  {% elif (t < 0) %} Verpasst {% elif (t > 59)
              %} Später {% elif (t > 120) %} Morgen {% endif %}
            icon: mdi:bus
            entity: sensor.abfahrten
            layout: horizontal
            tap_action:
              action: none
            hold_action:
              action: none
            double_tap_action:
              action: none
            icon_color: >-
              {% set t =
              ((state_attr('sensor.abfahrten','stopEvents')[3].departureTimeEstimated
              | as_datetime - now()).total_seconds() // 60)  %} {% if (t < 5) %}
              red {% elif (t < 9) %} orange {% elif (t > 8) %} green {% endif %}
            badge_icon: ''
            badge_color: ''

I am using the "mushroom-template-card" from the Mushroom repository.

And that's all there is to this.