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Document TMC2209 stepper driver - #7579

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remcom wants to merge 2 commits into
esphome:nextfrom
remcom:dev/tcm2209
Open

remcom wants to merge 2 commits into
esphome:nextfrom
remcom:dev/tcm2209

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@remcom

@remcom remcom commented Oct 9, 2026

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Description

Adds documentation for the tmc2209 stepper platform: a new page at /components/stepper/tmc2209/ covering
STEP/DIR and UART speed control (VACTUAL with position counted on INDEX), wiring, the configuration variables,
multiple drivers on one UART bus, and the tmc2209.enable / tmc2209.disable, tmc2209.configure and
tmc2209.currents actions.

Also lists the TMC2209 on the stepper overview page, links it from the note about using TMC drivers with the
a4988 platform, and adds an entry to the components index.

Diagnostics, sensors and tuning actions from the follow-up PRs will be documented with those PRs.

Related issue (if applicable): fixes

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.

New Component Images

If you are adding a new component to ESPHome, you can automatically generate a standardized black and white component name image for the documentation.

To generate a component image:

  1. Comment on this pull request with the following command, replacing component_name with your component name in lower_case format with underscores (e.g., bme280, sht3x, dallas_temp):

    @esphomebot generate image component_name
    
  2. The ESPHome bot will respond with a downloadable ZIP file containing the SVG image.

  3. Extract the SVG file and place it in the /public/images/ folder of this repository.

  4. Use the image in your component's index table entry in /src/content/docs/components/index.mdx.

Example: For a component called "DHT22 Temperature Sensor", use:

@esphomebot generate image dht22

Note: All images used in ImgTable components must be placed in /public/images/ as the component resolves them to absolute paths.

Add wiring, configuration examples, STEP/DIR and UART speed control modes, and runtime actions. Link the driver from the component index and stepper documentation.
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