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Explain special values for MQTT numeric sensor (#26026)
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@ -185,7 +185,7 @@ state_class:
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type: string
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default: None
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state_topic:
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description: The MQTT topic subscribed to receive sensor values.
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description: The MQTT topic subscribed to receive sensor values. If `device_class`, `state_class`, `unit_of_measurement` or `suggested_display_precision` is set, and a numeric value is expected, an empty value `''` will be ignored and will not update the state, a `'None'` value will set the sensor to an `unknown` state.
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required: true
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type: string
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unique_id:
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