OpenSprinkler Integration for Home Assistant

August 12, 2026 · View on GitHub

Version hacs_badge HACS Build HASS Build Linting CodeQL Quality Gate Status

Last tested on OS API 2.2.1 (4) and Home Assistant 2026.7.4

Features

  • Binary sensors for station and programs to show running state
  • Sensors for each station to show status
  • Sensors for water level, next runtime, last runtime and rain delay stop time
  • Entities to edit programs and adjust station run times
  • Switches for each program and station to enable/disable program or station
  • Switch to enable/disable OpenSprinkler controller operation
  • Actions to run and stop stations
  • Action to run programs
  • Actions to pause, set a rain delay, and set the water level
  • Calendar entity to preview upcoming runs of programs and stations

To have a Lovelace card for the UI, opensprinkler-card can be used.

To view upcoming programs much like the Program Preview feature of OpenSprinkler, see the OpenSprinkler Preview Card.

Installation

  1. Install using HACS. Or install manually by copying custom_components/opensprinkler folder into <config_dir>/custom_components
  2. Restart Home Assistant.
  3. In the Home Assistant UI, navigate to Configuration then Integrations. Click on the add integration button at the bottom right and select OpenSprinkler. Fill out the options and save.
    • URL - Should be in the form of http://<ip or host>:<port>. The port can be omitted unless you have changed it, as the default port for OpenSprinkler is 80. SSL (HTTPS) is also supported.
    • Password - The OpenSprinkler controller password.
    • Verify SSL Certificate - If the integration should verify the certificate from an HTTPS server. Generally, this should be left checked.
    • MAC Address - MAC address of the device. This is only required for firmware below 2.1.9 (4), otherwise it can be left blank.
    • Controller Name - The name of the device that appears in Home Assistant.

Upgrading from pre 1.0.0

Note: 1.0.0 has major breaking changes, you will need to update any automations, scripts, etc

  1. Remove YAML configuration.
  2. Uninstall using HACS or delete the hass_opensprinkler folder in <config_dir>/custom_components
  3. Restart Home Assistant
  4. Follow installation instructions above

Breaking Changes

  • Program binary sensors now show running state instead of operation state. Please use the program switch states for program operation state.
  • Controller binary sensor is removed. Please use controller switch state for controller operation state.
  • Station switches now enable/disable instead of run/stop stations. Please use opensprinkler.run_station and opensprinkler.stop actions to run and stop stations.
  • All scenes are removed. Please use the opensprinkler.run_program action to run programs.

Using Actions

Available actions are opensprinkler.run_program, opensprinkler.run_station, and opensprinkler.run_once to start a program, station, or controller (multiple stations) respectively, and opensprinkler.stop to stop one or all stations.

Note: The action opensprinkler.run is deprecated and will be removed in a future release. Please migrate to one of the above actions, which use the same parameters.

Run Examples

Note: If using a version of Home Assistant prior to 2024.8, substitute the keyword service for action in the following examples.

Run Program Example

action: opensprinkler.run_program
target:
  entity_id: switch.standard_schedule_program_enabled # Any program enabled switch
data:
  use_weather_adjustment: false # Apply weather-based adjustment to run durations. Optional, defaults to the program's configured setting.
  queue_option: replace # How to queue this run. Optional. Other options: append, preempt.

Run Station Example

action: opensprinkler.run_station
data:
  run_seconds: 600 # Number of seconds to run the station. Optional, defaults to 60 seconds.
  queue_option: append # How to queue this run. Optional. Other option: preempt.
target:
  entity_id: switch.front_yard_station_enabled # Any station enabled switch

Run Once Program Example

To run a number of stations at once, use opensprinkler.run_once. The run seconds can either be a list of seconds per station or a list or dict of index and seconds pairs. The following examples are all equivalent.

action: opensprinkler.run_once
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch
data:
  run_seconds: # List of seconds to run for each station (required)
    - 60
    - 0
    - 30

action: opensprinkler.run_once
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch
data:
  run_seconds: # List of station index and run seconds pairs (required)
    - index: 0
      run_seconds: 60
    - index: 2
      run_seconds: 30

action: opensprinkler.run_once
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch
data:
  run_seconds: # Dictionary of station index and run seconds key/value pairs (required)
    "0": 60
    "2": 30

Calling opensprinkler.run_once or opensprinkler.run_program will stop all other stations that are running. When using opensprinkler.run_once, you can set continue_running_stations to true to allow the stations to continue running. This only works when specifying the run seconds in index/seconds pairs.

action: opensprinkler.run_once
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch
data:
  continue_running_stations: true # Keep running stations running (optional, defaults to false)
  run_seconds:
    - index: 0
      run_seconds: 60
    - index: 2
      run_seconds: 30

action: opensprinkler.run_once
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch
data:
  continue_running_stations: true # Keep running stations running (optional, defaults to false)
  run_seconds:
    "0": 60
    "2": 30

You can also control weather adjustment and queuing behavior for run_once and run_program:

action: opensprinkler.run_once
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch
data:
  use_weather_adjustment: false # Apply weather-based adjustment to run durations. Optional.
  queue_option: replace # How to queue this run. Optional. Other options: append, preempt.
  run_seconds:
    - 60
    - 0
    - 30

Stop Examples

Stop Station Example

action: opensprinkler.stop
data:
  shift_sequential_stations: false # Shift remaining stations in the sequential group. Optional.
target:
  entity_id: switch.drip_station_enabled # Any station enabled switch

Stop All Stations Example

action: opensprinkler.stop
data: {}
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch

Set Water Level Example

This sets the water level to 50%, i.e. all stations will run half of their normally configured time.

action: opensprinkler.set_water_level
data:
  water_level: 50
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch

Set Rain Delay Example

This sets the rain delay of the controller to 6 hours, i.e. all stations will stop and programs will not run until the rain delay time is over.

action: opensprinkler.set_rain_delay
data:
  rain_delay: 6
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch

Pause Example

This pauses the station runs for 10 minutes (600 seconds), resuming afterwards.

action: opensprinkler.pause_stations
data:
  pause_duration: 600
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch

Reboot Controller Example

This reboots the controller.

action: opensprinkler.reboot
data: {}
target:
  entity_id: switch.opensprinkler_enabled # Controller enabled switch

Creating a Station Switch

If you wish to have a switch for your stations, here is an example using the switch template and input number. Add the following to your YAML configuration (configuration.yaml).

switch:
  - platform: template
    switches:
      fruits_station:
        value_template: "{{ is_state('binary_sensor.front_yard_station_running', 'on') }}"
        turn_on:
          action: opensprinkler.run_station
          target:
            entity_id: switch.front_yard_station_enabled
            # Run seconds uses the input_number below.
          data:
            run_seconds: "{{ ((states('input_number.front_yard_station_minutes') | float) * 60) | int }}"
        turn_off:
          service: opensprinkler.stop
          target:
            entity_id: switch.front_yard_station_enabled
​
input_number:
  front_yard_station_minutes:
    initial: 1
    min: 1
    max: 10
    step: 1

Using the Calendar Entity

The Calendar entity will be automatically recognized by Home Assistant and will be added to the native Calendar available in the sidebar. Various calendar cards are available and can be added to any dashboard.

Each calendar entry contains:

  • Program name
  • Station name
  • Predicted start and end times
  • Duration

Today's view will use the Weather Adjustment, if enabled.

An alternate view of the data similar to OpenSprinkler's Program Preview is available via the OpenSprinkler Preview Card. It shows upcoming runs in a bar-chart format.

OpenSprinkler Preview Card