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572 lines
17 KiB
ReStructuredText
572 lines
17 KiB
ReStructuredText
Atlas Scientific Peristaltic Pump
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=================================
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.. seo::
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:description: Instructions for setting up an Atlas Scientific Peristaltic Pump in ESPHome
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:image: ezo-pmp.jpg
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:keywords: pump, peristaltic, atlas, ezo
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The ``ezo_pmp`` component allows you to use an Atlas Scientific Peristaltic Pump with ESPHome.
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Both the EZO-PMP (`datasheet <https://files.atlas-scientific.com/EZO_PMP_Datasheet.pdf>`__)
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and EZO-PMP-L (`datasheet <https://files.atlas-scientific.com/EZO_PMP_L_Datasheet.pdf>`__) are supported.
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The :ref:`I²C Bus <i2c>` is required to be set up in your configuration for this sensor to work.
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.. note::
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This component will not be directly controllable in the Home Assistant front-end automatically because
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Home Assistant doesn't have support for pumps. In order to control the pump from the frontend you will need to use
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templates to offer access to the actions you need. Please see :ref:`ezo-pmp-ha-config`.
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.. figure:: images/ezo-pmp.jpg
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:align: center
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:width: 80.0%
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.. code-block:: yaml
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ezo_pmp:
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id: ezo_pmp
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address: 103 # Default Address for the EZO-PMP.
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update_interval: 60s
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Configuration variables:
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- **id** (**Required**, :ref:`config-id`): Specify the ID of the pump so that you can control it.
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- **address** (*Optional*, int): Specify the I²C address of the sensor. Defaults to 103.
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- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the
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sensor. Defaults to ``60s``.
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Sensors
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-----------------------------
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Since the EZO-PMP offers a large number of sensors and each sensor needs to be polled individually, the code has been
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optimized not to update a sensor that is not defined in the config. If you need very quick updates from the pump (under 3 seconds)
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only enable the sensors that you actually need.
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.. _ezo_pmp-current_volume_dosed_sensor:
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``current_volume_dosed``
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-----------------------------
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This sensor indicates the volume (in milliliters) that has been dosed in the currently running or last ran dosing command.
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.. code-block:: yaml
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sensor:
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- platform: ezo_pmp
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current_volume_dosed:
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id: current_volume_dosed
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name: Current Volume Dosed
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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.. _ezo_pmp-total_volume_dosed_sensor:
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``total_volume_dosed``
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-----------------------------
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This sensor indicates total volume (in milliliters) that has been dosed since the last time the pump was turned on. Could be a
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negative number if the pump has been run in reverse.
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.. code-block:: yaml
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sensor:
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- platform: ezo_pmp
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total_volume_dosed:
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id: total_volume_dosed
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name: Total Volume Dosed
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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.. _ezo_pmp-absolute_total_volume_dosed_sensor:
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``absolute_total_volume_dosed``
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-------------------------------
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This sensor indicates the absolute total volume (in milliliters) that has been dosed since the last time the pump was turned on.
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.. code-block:: yaml
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sensor:
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- platform: ezo_pmp
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absolute_total_volume_dosed:
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id: absolute_total_volume_dosed
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name: Absolute Total Volume Dosed
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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.. _ezo_pmp-last_volume_requested_sensor:
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``last_volume_requested``
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-----------------------------
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Indicates the total volume (in milliliters) that is being dosed (or was if the pump has already finished) by a dose Action. When
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using dosing actions that have a duration, the sensor will have the right calculation for total volume.
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.. code-block:: yaml
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sensor:
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- platform: ezo_pmp
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last_volume_requested:
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id: last_volume_requested
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name: Last Volume Requested
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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.. _ezo_pmp-max_flow_rate_sensor:
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``max_flow_rate``
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-----------------------------
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The pump provides its own calculation of the maximum flow rate it can provide (in ml/minute). Dosing requests that exceed this rate
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will fail. When using the :ref:`Dose Continuously <ezo_pmp-dose_continuously_action>` Action, this is the volume the pump will
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dose every minute. This value will get updated after the pump is calibrated (see :ref:`ezo_pmp-set_calibration_volume_action`).
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.. code-block:: yaml
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sensor:
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- platform: ezo_pmp
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max_flow_rate:
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id: max_flow_rate
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name: Max Flow Rate
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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.. _ezo_pmp-pump_voltage_sensor:
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``pump_voltage``
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-----------------------------
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The current voltage of the power supply that powers the pump. Not to be confused with the voltage that powers the electronics on the pump.
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.. code-block:: yaml
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sensor:
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- platform: ezo_pmp
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pump_voltage:
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id: pump_voltage
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name: Pump Voltage
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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Binary Sensors
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-----------------------------
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.. _ezo_pmp-pump_state_binary_sensor:
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``pump_state``
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-----------------------------
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Indicates if the pump is currently running or not.
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.. code-block:: yaml
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binary_sensor:
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- platform: ezo_pmp
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pump_state:
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id: pump_state
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name: Pump State
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Binary Sensor <config-binary_sensor>`.
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.. _ezo_pmp-is_paused_binary_sensor:
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``is_paused``
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-----------------------------
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Indicates if a dosing action is currently paused.
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.. code-block:: yaml
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binary_sensor:
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- platform: ezo_pmp
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is_paused:
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id: is_paused
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name: Is Paused
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Binary Sensor <config-binary_sensor>`.
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Text Sensors
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-----------------------------
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.. _ezo_pmp-dosing_mode_text_sensor:
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``dosing_mode``
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-----------------------------
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Indicates the dosing mode the pump is currently running as. Can be any of `Volume`, `Volume/Time`, `Constant Flow Rate`, `Continuous`, `None`.
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.. code-block:: yaml
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text_sensor:
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- platform: ezo_pmp
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dosing_mode:
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id: dosing_mode
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name: Dosing Mode
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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.. _ezo_pmp-calibration_status_text_sensor:
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``calibration_status``
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-----------------------------
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Indicates calibration status of the pump. Can be any of `Fixed Volume`, `Volume/Time`, `Fixed Volume & Volume/Time` or `Uncalibrated`.
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.. code-block:: yaml
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text_sensor:
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- platform: ezo_pmp
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calibration_status:
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id: calibration_status
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name: Calibration Status
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Configuration variables:
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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Actions
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-----------------------------
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.. _ezo_pmp-dose_continuously_action:
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``ezo_pmp.dose_continuously`` Action
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------------------------------------
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Use this action in an :ref:`automations <automation>` to have the peristaltic pump dose continuously
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at the :ref:`Maximum Flow Rate <ezo_pmp-max_flow_rate_sensor>`. The pump will automatically stop after 20 days
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of running in continuous mode.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.find:
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id: ezo_pmp
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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.. _ezo_pmp-dose_volume_action:
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``ezo_pmp.dose_volume`` Action
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------------------------------
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Use this action in an :ref:`automations <automation>` to have the peristaltic pump dose an specific volume (in milliliters)
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at the :ref:`Maximum Flow Rate <ezo_pmp-max_flow_rate_sensor>`. If the volume is negative the pump will run backwards.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.dose_volume:
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id: ezo_pmp
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volume: 10
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# Templated
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- ezo_pmp.dose_volume:
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id: ezo_pmp
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volume: !lambda |-
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return id(some_volume_sensor).state;
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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- **volume** (**Required**, float, :ref:`templatable <config-templatable>`): The volume to dose in milliliters. If negative, pump will run in reverse.
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.. _ezo_pmp-dose_volume_over_time_action:
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``ezo_pmp.dose_volume_over_time`` Action
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----------------------------------------
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Use this action in an :ref:`automations <automation>` to have the peristaltic pump dose an specific `volume` (in milliliters)
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over the provided `duration` (in minutes). At the end of the time period the pump will have dosed the specified `volume`.
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If the volume is negative the pump will run backwards.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.dose_volume_over_time:
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id: ezo_pmp
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volume: 23.4
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duration: 2
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# Templated
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- ezo_pmp.dose_volume_over_time:
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id: ezo_pmp
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volume: !lambda |-
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return id(some_volume_sensor).state;
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duration: !lambda |-
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return id(some_duration_sensor).state;
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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- **volume** (**Required**, float, :ref:`templatable <config-templatable>`): The volume to dose in milliliters. If negative, pump will run in reverse.
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- **duration** (**Required**, int, :ref:`templatable <config-templatable>`): The time (in minutes) the pump will take to dose the volume requested.
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.. _ezo_pmp-dose_with_constant_flow_rate_action:
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``ezo_pmp.dose_with_constant_flow_rate`` Action
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-----------------------------------------------
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Use this action in an :ref:`automations <automation>` to have the peristaltic pump dose an specific `volume` (in milliliters) every minute
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for the provided `duration` (in minutes). At the end of the time period the pump will have dosed the specified `volume` times the `duration`.
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If the volume is negative the pump will run backwards.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.dose_with_constant_flow_rate:
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id: ezo_pmp
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volume_per_minute: 10.2
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duration: 2
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# Templated
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- ezo_pmp.dose_with_constant_flow_rate:
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id: ezo_pmp
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volume_per_minute: !lambda |-
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return id(some_volume_sensor).state;
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duration: !lambda |-
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return id(some_duration_sensor).state;
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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- **volume_per_minute** (**Required**, float, :ref:`templatable <config-templatable>`): The volume to dose in milliliters every minute. If negative, pump will run in reverse.
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- **duration** (**Required**, int, :ref:`templatable <config-templatable>`): The time (in minutes) the pump will dose the volume requested every minute.
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.. _ezo_pmp-pause_dosing_action:
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``ezo_pmp.pause_dosing`` Action
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-------------------------------
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Use this action to pause a Dosing command that was previously issued. To determine if the dosing is paused or not, you can use the :ref:`Is Paused <ezo_pmp-is_paused_binary_sensor>` sensor.
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If the pump is currently paused, issuing this action again will unpause it.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.pause_dosing:
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id: ezo_pmp
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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.. _ezo_pmp-stop_dosing_action:
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``ezo_pmp.stop_dosing`` Action
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------------------------------
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Use this action to stop the current Dosing command.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.stop_dosing:
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id: ezo_pmp
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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.. _ezo_pmp-clear_total_volume_dosed_action:
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``ezo_pmp.clear_total_volume_dosed`` Action
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-------------------------------------------
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Clear the values of the :ref:`Current Volume Dosed <ezo_pmp-current_volume_dosed_sensor>`, :ref:`Total Volume Dosed <ezo_pmp-total_volume_dosed_sensor>`
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and :ref:`Absolute Total Volume Dosed <ezo_pmp-absolute_total_volume_dosed_sensor>` sensors.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.clear_total_volume_dosed:
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id: ezo_pmp
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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.. _ezo_pmp-set_calibration_volume_action:
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``ezo_pmp.set_calibration_volume`` Action
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-----------------------------------------
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Use this action to calibrate the peristaltic pump. The EZO-PMP needs two forms of calibration: absolute volume and volume over time. You can check
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the calibration status by using the :ref:`Calibration Status<ezo_pmp-calibration_status_text_sensor>` sensor. For the procedure on calibrating the pump
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check the datasheet.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.set_calibration_volume:
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id: ezo_pmp
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volume: 10.01
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# Templated
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- ezo_pmp.set_calibration_volume:
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id: ezo_pmp
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volume: !lambda |-
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return id(some_volume_sensor).state;
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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- **volume** (**Required**, float, :ref:`templatable <config-templatable>`): The volume measured as part of the calibration process.
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.. _ezo_pmp-clear_calibration_action:
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``ezo_pmp.clear_calibration`` Action
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------------------------------------
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Clear the calibration values stored in the pump. You can check the calibration status by using the
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:ref:`Calibration Status<ezo_pmp-calibration_status_text_sensor>` sensor.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.clear_calibration:
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id: ezo_pmp
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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.. _ezo_pmp-find_action:
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``ezo_pmp.find`` Action
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-----------------------
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Use this action to make the LED on the Pump control board to blink for a minute. The pump will not respond to any other action while the LED is blinking.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.find:
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id: ezo_pmp
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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.. _ezo_pmp-change_i2c_address_action:
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``ezo_pmp.change_i2c_address`` Action
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-------------------------------------------
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Changes the i2c address of the pump to the provided value. After the address is changed you must upload a new version of the ESPHome firmware with the updated I2C
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address for the pump to work.
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.. code-block:: yaml
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on_...:
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then:
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- ezo_pmp.change_i2c_address:
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id: ezo_pmp
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address: 100
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Configuration options:
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- **id** (**Required**, :ref:`config-id`): The ID of the pump.
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- **address** (**Required**, int, :ref:`templatable <config-templatable>`): The new I2C address for the pump.
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.. _ezo-pmp-ha-config:
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Home Assistant Configuration
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----------------------------
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In order to provide control of the pump from the home assistant frontend it is important to expose the actions
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as components that have UI rendering. This could be done using templates in ESPHome. Here is an example using a
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`Template Button` and `Template Number` to dose a certain volume over time.
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.. code-block:: yaml
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i2c:
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ezo_pmp:
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id: ezo_pmp
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number:
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- platform: template
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id: volume
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name: "Volume"
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optimistic: true
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min_value: 0
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max_value: 100
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step: 0.01
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- platform: template
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id: duration
|
|
name: "Duration"
|
|
optimistic: true
|
|
min_value: 0
|
|
max_value: 100
|
|
step: 1
|
|
|
|
button:
|
|
- platform: template
|
|
name: "Dose Over Time"
|
|
on_press:
|
|
- ezo_pmp.dose_volume_over_time:
|
|
id: ezo_pump
|
|
volume: !lambda |-
|
|
return id(volume).state;
|
|
duration: !lambda |-
|
|
return id(duration).state;
|
|
|
|
.. _ezo_pmp-lambda_calls:
|
|
|
|
lambda calls
|
|
------------
|
|
|
|
From :ref:`lambdas <config-lambda>`, you can also access the actions on the peristaltic pump to do some
|
|
advanced stuff (see the full API Reference for more info). The name of the functions is the same as the name
|
|
of the actions in YAML config.
|
|
|
|
See Also
|
|
--------
|
|
|
|
- :apiref:`ezo_pmp/ezo_pmp.h`
|
|
- :ghedit:`Edit`
|