esphome-docs/components/sensor/binary_sensor_map.rst

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Binary Sensor Map
=================
.. seo::
:description: Instructions for setting up a Binary Sensor Map
:image: binary_sensor_map.jpg
The ``binary_sensor_map`` sensor platform allows you to map :doc:`binary sensor </components/binary_sensor/index>`
to values. When a given binary sensor is on, the value associated with it in this platform's configuration will be published.
This sensor is **mostly used for touch** devices but could be used for any ``binary_sensor`` that publishes its ``ON`` or ``OFF`` state.
Add your binary sensors as ``channels`` to the binary sensor map. The binary sensor map then publishes a value depending
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on the type of the binary sensor map and the values specified with each channel. The maximum amount of possible channels is 64.
This platform currently supports two measurement types: ``GROUP`` and ``SUM``, and others might get added later.
You need to specify which type of mapping you want with the ``type:`` configuration value:
- ``GROUP`` Each channel has its own value. The sensor publishes the average value of all active
binary sensors.
.. code-block:: yaml
# Example configuration entry
sensor:
- platform: binary_sensor_map
id: group_0
name: 'Group Map 0'
type: GROUP
channels:
- binary_sensor: touchkey0
value: 0
- binary_sensor: touchkey1
value: 10
- binary_sensor: touchkey2
value: 20
- binary_sensor: touchkey3
value: 30
# Example binary sensors using MPR121 component
mpr121:
id: mpr121_first
address: 0x5A
binary_sensor:
- platform: mpr121
channel: 0
id: touchkey0
# ...
- ``SUM`` Each channel has its own value. The sensor publishes the sum of all active
binary sensors values.
.. code-block:: yaml
# Example configuration entry
sensor:
- platform: binary_sensor_map
id: group_0
name: 'Group Map 0'
type: sum
channels:
- binary_sensor: bit0
value: 1
- binary_sensor: bit1
value: 2
- binary_sensor: bit2
value: 4
- binary_sensor: bit3
value: 8
binary_sensor:
- platform: gpio
pin: 4
id: bit0
- platform: gpio
pin: 5
id: bit1
- platform: gpio
pin: 6
id: bit2
- platform: gpio
pin: 7
id: bit3
# ...
Configuration variables:
------------------------
- **name** (**Required**, string): The name of the sensor.
- **type** (**Required**, string): The sensor type. Should be one of: ``GROUP``.
- **channels** (**Required**): A list of channels that are mapped to certain values.
- **binary_sensor** (**Required**): The id of the :doc:`binary sensor </components/binary_sensor/index>`
to add as a channel for this sensor.
- **value** (**Required**): The value this channel should report when its binary sensor is active.
- All other options from :ref:`Sensor <config-sensor>`.
See Also
--------
- :doc:`/components/binary_sensor/mpr121`
- :ref:`sensor-filters`
- :apiref:`binary_sensor_map/binary_sensor_map.h`
- :ghedit:`Edit`