Documentation for KMeterISO component (#3095)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

components/sensor/kmeteriso.rst

@@ -0,0 +1,48 @@
+M5Stack KMeterISO I2C K-Type probe temperature sensor
+=====================================================
+
+.. seo::
+    :description: Instructions for setting up KMeterISO temperature sensors
+    :image: kmeteriso.jpg
+    :keywords: BME280
+
+The ``kmeteriso`` sensor platform allows you to use your KMeterISO
+(`product <https://docs.m5stack.com/en/unit/KMeterISO%20Unit>`__,
+`M5Stack`_) K-Type thermocouple temperature sensor with ESPHome.
+The :ref:`I²C <i2c>` is required to be set up in your configuration
+for this sensor to work.
+
+.. figure:: ../../images/kmeteriso.jpg
+    :align: center
+    :width: 50.0%
+
+    M5Stack KMeterISO temperature sensor.
+
+.. _M5Stack: https://docs.m5stack.com/en/unit/KMeterISO%20Unit
+
+.. code-block:: yaml
+
+    # Example configuration entry
+    sensor:
+    - platform: kmeteriso
+      temperature:
+        name: Temperature
+      internal_temperature:
+        name: Internal temperature
+
+Configuration variables:
+------------------------
+
+- **temperature** (*Optional*): The information for the temperature sensor. All options from :ref:`Sensor <config-sensor>`.
+- **internal_temperature** (*Optional*): The information for the temperature sensor inside the probe. All options from :ref:`Sensor <config-sensor>`.
+- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the
+  sensor. Defaults to ``5s``.
+
+See Also
+--------
+
+- :ref:`sensor-filters`
+- :doc:`absolute_humidity`
+- :apiref:`kmeteriso/kmeteriso.h`
+- `M5Stack Unit code <https://github.com/m5stack/M5Unit-KMeterISO>`__ by `M5Stack <https://m5stack.com/>`__
+- :ghedit:`Edit`

index.rst

@@ -395,6 +395,7 @@ Thermocouple
 ************
 .. imgtable::
 
+    KMeterISO, components/sensor/kmeteriso, kmeteriso.jpg, K-Type,
     MAX31855, components/sensor/max31855, max31855.jpg, K-Type
     MAX31856, components/sensor/max31856, max31856.jpg, All types
     MAX31865, components/sensor/max31865, max31865.jpg, Platinum RTD