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91 lines
3.2 KiB
ReStructuredText
91 lines
3.2 KiB
ReStructuredText
CSE7766 Power Sensor
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====================
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.. seo::
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:description: Instructions for setting up CSE7766 power sensors for the Sonoff Pow R2
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:image: cse7766.svg
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:keywords: cse7766, cse7759b, Sonoff Pow R2
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The ``cse7766`` sensor platform allows you to use your CSE7766 voltage/current and power sensors
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(`datasheet <https://itead.cc/wp-content/uploads/2022/05/CSE7766.pdf>`__) sensors with
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ESPHome. This sensor is commonly found in Sonoff POW R2. CSE7759B is similar to CSE7766
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and works with this component.
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.. note::
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SAFETY HAZARD: Some devices such as Sonoff POWs/Shelly/etc, have the digital GND connected directly to mains voltage so **the GPIOs become LIVE during normal operation**. Our advice is to mark these boards to prevent any use of the dangerous digital pins.
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As the communication with the CSE7766 done using UART, you need
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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. The device sends multiple updates per second, so you
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will probably want some sort of averaging or throttle filter on the sensors.
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.. code-block:: yaml
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# Example configuration entry
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substitutions:
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update_interval: 60s
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# Disable logging over USB
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logger:
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baud_rate: 0
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uart:
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rx_pin: RX
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baud_rate: 4800
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sensor:
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- platform: cse7766
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current:
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name: "Sonoff Pow R2 Current"
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filters:
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- throttle_average: ${update_interval}
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voltage:
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name: "Sonoff Pow R2 Voltage"
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filters:
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- throttle_average: ${update_interval}
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power:
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name: "Sonoff Pow R2 Power"
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filters:
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- throttle_average: ${update_interval}
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energy:
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name: "Sonoff Pow R2 Energy"
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filters:
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- throttle: ${update_interval}
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apparent_power:
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name: "Sonoff Pow R2 Apparent Power"
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filters:
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- throttle_average: ${update_interval}
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power_factor:
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name: "Sonoff Pow R2 Power Factor"
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filters:
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- throttle_average: ${update_interval}
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.. note::
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The configuration above should work for Sonoff POWs (R2).
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Configuration variables:
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------------------------
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- **current** (*Optional*): Use the current value of the sensor in amperes. All options from
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:ref:`Sensor <config-sensor>`.
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- **power** (*Optional*): Use the (active) power value of the sensor in watts. All options from
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:ref:`Sensor <config-sensor>`.
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- **voltage** (*Optional*): Use the voltage value of the sensor in V (RMS).
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All options from :ref:`Sensor <config-sensor>`.
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- **energy** (*Optional*): Use the total energy value of the sensor in Wh.
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All options from :ref:`Sensor <config-sensor>`.
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- **apparent_power** (*Optional*): Use the apparent power value of the sensor in volt amps.
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All options from :ref:`Sensor <config-sensor>`.
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- **power_factor** (*Optional*): Use the power factor value of the sensor.
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All options from :ref:`Sensor <config-sensor>`.
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- **uart_id** (*Optional*, :ref:`config-id`): Manually specify the ID of the :ref:`UART Component <uart>` if you want
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to use multiple UART buses.
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See Also
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--------
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- :ref:`sensor-filters`
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- :apiref:`cse7766/cse7766.h`
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- :ghedit:`Edit`
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