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92 lines
3.2 KiB
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92 lines
3.2 KiB
ReStructuredText
QMC5883L Magnetometer
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=====================
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.. seo::
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:description: Instructions for setting up QMC5883L IMU compass sensors.
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:image: qmc5883l.jpg
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:keywords: QMC5883L
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The ``qmc5883l`` allows you to use your QMC5883L triple-axis magnetometers
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(`datasheet <http://wiki.sunfounder.cc/images/7/72/QMC5883L-Datasheet-1.0.pdf>`__) with
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ESPHome. This sensor is very simular to the :ref:`HMC5883L <hmc5883l>` sensor and is oftern found
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as a knock off replacement. The QMC5883L sensor performs on par to the HMC5883L sensor,
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though the configuration differs. The :ref:`I²C Bus <i2c>` is required to be set up in your
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configuration for this sensor to work.
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.. figure:: ../../images/qmc5883l.jpg
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:align: center
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:width: 30.0%
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QMC5883L Magnetometer.
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.. code-block:: yaml
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# Example configuration entry
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sensor:
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- platform: qmc5883l
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address: 0x0D
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field_strength_x:
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name: "QMC5883L Field Strength X"
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field_strength_y:
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name: "QMC5883L Field Strength Y"
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field_strength_z:
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name: "QMC5883L Field Strength Z"
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heading:
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name: "QMC5883L Heading"
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temperature:
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name: "QMC5883L Temperature"
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filters:
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- offset: 34.0
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range: 200uT
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oversampling: 512x
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update_interval: 60s
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Configuration variables:
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------------------------
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- **address** (*Optional*, int): Manually specify the I²c address of the sensor. Defaults to ``0x0D``.
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- **field_strength_x** (*Optional*): The field strength in microtesla along the X-Axis. All options from
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:ref:`Sensor <config-sensor>`.
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- **field_strength_y** (*Optional*): The field strength in microtesla along the Y-Axis. All options from
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:ref:`Sensor <config-sensor>`.
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- **field_strength_z** (*Optional*): The field strength in microtesla along the Z-Axis. All options from
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:ref:`Sensor <config-sensor>`.
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- **heading** (*Optional*): The heading of the sensor in degrees. All options from
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:ref:`Sensor <config-sensor>`.
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- **temperature** (*Optional*): The temperature of the sensor. Per the datasheet:
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"Temperature sensor gain is factory-calibrated, but its offset has not been compensated, only relative
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temperature value is accurate". Above example has an offset that you need to calibrate. All options from
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:ref:`Sensor <config-sensor>`.
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- **range** (*Optional*): The range parameter for the sensor.
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- **oversampling** (*Optional*): The oversampling parameter for the sensor.
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- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the sensor. Defaults to ``60s``.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
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Range Options
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-------------
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By default, the QMC5883L sensor measurement range is 200µT. You can, however,
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configure this amount. Possible values:
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- ``200µT`` (default)
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- ``800µT``
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Oversampling Options
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--------------------
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By default, the QMC5883L sensor measures each value 512 times when requesting a new value. You can, however,
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configure this amount. The result is the sensor will take the adverage of the x samples. Possible sampling values:
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- ``512x`` (default)
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- ``256x``
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- ``128x``
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- ``64x``
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See Also
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--------
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- :ref:`sensor-filters`
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- :doc:`template`
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- :apiref:`qmc5883l/qmc5883l.h`
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- :ghedit:`Edit`
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