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[ld2410] Document automatic background noise correction#6820

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[ld2410] Document automatic background noise correction#6820
anunayk wants to merge 1 commit into
esphome:nextfrom
anunayk:ld2410-background-correction-docs

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@anunayk anunayk commented Jun 21, 2026

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Description

Documents the automatic background-noise correction support added to the ld2410 component in
esphome/esphome#17006. The module's native routine (firmware V2.44 or later) measures the environment's
noise floor and rewrites all gate thresholds, self-calibrating without HiLink's PC tool.

Adds documentation for three new options on the LD2410 page:

  • background_correction button — triggers the routine.
  • calibration binary sensor — reflects the routine's running state.
  • background_correction_duration option on the main ld2410: component (10s–120s, default 10s).

Related issue (if applicable): N/A

Pull request in esphome with YAML changes (if applicable):

Checklist

  • I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
    or

  • I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

  • Link added in /src/content/docs/components/index.mdx when creating new documents for new components or cookbook.

Documents the background_correction button, calibration binary sensor,
and background_correction_duration option added in esphome/esphome#17006.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@anunayk anunayk marked this pull request as ready for review June 21, 2026 13:34
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