esphome-docs/components/sensor/mlx90614.rst

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MLX90614 non-contact thermometer
=================================
.. seo::
:description: Instructions for setting up Melexis MLX90614 non-contact thermometer.
:image: mlx90614.jpg
:keywords: MLX90614
The ``mlx90614`` sensor platform allows you to use your Melexis MLX90614 non-contact infrared thermometer
(`Datasheet <https://www.melexis.com/en/documents/documentation/datasheets/datasheet-mlx90614>`__,
`Product Page`_) with ESPHome. Sensor measures both ambient and object temperature that can be enabled independently.
The :ref:`I²C Bus <i2c>` is required to be set up in your configuration for this sensor to work.
.. figure:: images/mlx90614.jpg
:align: center
:width: 50.0%
MLX90614 non-contact thermometer
.. _Product Page: https://www.melexis.com/en/product/MLX90614/Digital-Plug-Play-Infrared-Thermometer-TO-Can
.. code-block:: yaml
# Example configuration entry
sensor:
- platform: mlx90614
ambient:
name: Ambient
object:
name: Object
Configuration variables
-----------------------
- **ambient** (*Optional*): Enables sensor entity for ambient temperature reading.
- All options from :ref:`Sensor <config-sensor>`.
- **object** (*Optional*): Enables sensor entity for object temperature reading.
- **emissivity** (*Optional*): Emissivity coefficient is the measure of an object's ability to emit infrared energy
compared to a theoretical perfect black body emitter. See `Emissivity Application note <https://media.melexis.com/-/media/files/documents/application-notes/mlx90614-changing-emissivity-unlocking-key-application-note-melexis.pdf?la=en>`__
for details on determining custom emissivity. Default is 1.0 which is 100% and corresponds to the ideal black body.
- All options from :ref:`Sensor <config-sensor>`.
- All other options for I²C devices described at :ref:`I²C Bus <i2c>`.
See Also
--------
- :ref:`sensor-filters`
- :apiref:`mlx90614/mlx90614.h`
- :ghedit:`Edit`