esphome-docs/components/sensor/cse7766.rst

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CSE7766 Power Sensor
====================
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.. seo::
:description: Instructions for setting up CSE7766 power sensors for the Sonoff Pow R2
:image: cse7766.png
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:keywords: cse7766, Sonoff Pow R2
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The ``cse7766`` sensor platform allows you to use your CSE7766 voltage/current and power sensors
(`datasheet <http://dl.itead.cc/S31/CSE7766.pdf>`__) sensors with
esphomelib. This sensor is commonly found in Sonoff POW R2.
As the communication with the CSE7766 done using UART, you need
to have an :ref:`UART bus <uart>` in your configuration with the ``rx_pin`` connected to the CSE7766.
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Additionally, you need to set the baud rate to 4800.
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.. code-block:: yaml
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# Example configuration entry
# Disable logging over USB
logger:
baud_rate: 0
uart:
rx_pin: RX
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baud_rate: 4800
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sensor:
- platform: cse7766
current:
name: "Sonoff Pow R2 Current"
voltage:
name: "Sonoff Pow R2 Voltage"
power:
name: "Sonoff Pow R2 Power"
.. note::
The configuration above should work for Sonoff POWs (R2).
Configuration variables:
------------------------
- **current** (*Optional*): Use the current value of the sensor in amperes. All options from
:ref:`Sensor <config-sensor>` and :ref:`MQTT Component <config-mqtt-component>`.
- **power** (*Optional*): Use the (active) power value of the sensor in watts. All options from
:ref:`Sensor <config-sensor>` and :ref:`MQTT Component <config-mqtt-component>`.
- **voltage** (*Optional*): Use the voltage value of the sensor in V (RMS).
All options from :ref:`Sensor <config-sensor>` and :ref:`MQTT Component <config-mqtt-component>`.
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- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the
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sensor. Defaults to ``60s``.
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- **uart_id** (*Optional*, :ref:`config-id`): Manually specify the ID of the :ref:`UART Component <uart>` if you want
to use multiple UART buses.
See Also
--------
- :ref:`sensor-filters`
- :apiref:`sensor/cse7766.h`
- :ghedit:`Edit`
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.. disqus::