diff --git a/components/sensor/ain4_20ma.rst b/components/sensor/ain4_20ma.rst
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+AIN4-20mA current analog measurement unit
+=========================================
+
+.. seo::
+    :description: Instructions for setting up the AIN4-20mA current analog measurement unit.
+    :image: ain4_20ma.jpg
+    :keywords: current, 4-20mA, i2c
+
+The AIN4-20mA current analog measurement unit sensor allows you to use sensors with a 4-20mA output to use with ESPHome.
+
+.. figure:: images/ain4_20ma.jpg
+    :align: center
+    :width: 50.0%
+
+    AIN4-20mA current analog measurement unit.
+    (Credit: `M5Stack <https://docs.m5stack.com/en/unit/AIN4-20mA%20Unit>`__, image cropped and compressed)
+
+.. _M5Stack: https://docs.m5stack.com/en/unit/AIN4-20mA%20Unit
+
+The AIN4-20mA Unit is a highly capable single-channel 4~20mA current analog measurement unit. Powered by the STM32G030F6 main control chip, it communicates through i2c, ensuring efficient and reliable data transmission.
+It can be used as base sensor for all sensors with a 4-20mA output.
+
+To use the sensor, first set up an :ref:`I²C Bus <i2c>` and connect the sensor to the specified pins.
+
+.. code-block:: yaml
+
+    # Example configuration entry
+    sensor:
+      - platform: ain4_20ma
+        name: "Current"
+        update_interval: 60s
+
+Configuration variables:
+------------------------
+
+- **address** (*Optional*, int): Manually specifiy the I²C address of the sensor. Defaults to ``0x55``.
+- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the sensor. Defaults to ``60s``.
+- All other options from :ref:`Sensor <config-sensor>`.
+
+See Also
+--------
+
+- :ref:`sensor-filters`
+- :doc:`template`
+- `AIN4-20mA Unit <https://docs.m5stack.com/en/unit/AIN4-20mA%20Unit>`__
+- :ghedit:`Edit`
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diff --git a/index.rst b/index.rst
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+++ b/index.rst
@@ -287,6 +287,7 @@ Analogue
     ADC128S102, components/sensor/adc128s102, adc128s102.png , 8-channel ADC
     ADS1115, components/sensor/ads1115, ads1115.jpg, 4-channel ADC
     ADS1118, components/sensor/ads1118, ads1118.jpg, 4-channel ADC
+    AIN4-20mA, components/sensor/ain4_20ma, ain4_20ma.jpg, 4-20mA current measurement
     CD74HC4067, components/sensor/cd74hc4067, cd74hc4067.jpg, 16-channel analog multiplexer
     MCP3008, components/sensor/mcp3008, mcp3008.jpg, 8-channel ADC
     MCP3204 / MCP3208, components/sensor/mcp3204, mcp3204.jpg, 4-channel ADC