Waveshare I/O Expander (ch32v003)

[latonita]

Description:

Related issue (if applicable): fixes esphome/feature-requests#3202

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

• Waveshare I/O Expander component (CH32V003) for ESP32-S3-Touch-LCD-7B, ESP32-S3-Touch-LCD-4B, ESP32-S3-Touch-LCD-4.3C and other boards esphome#10071

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 /components/index.rst 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 UPPER_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 images/ folder of this repository.

4. Use the image in your component's index table entry in /components/index.rst.

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

@esphomebot generate image DHT22

[latonita]

@esphomebot generate image WAVESHARE_IO_CH32V003

[Copilot]

Pull Request Overview

This PR adds documentation for the new Waveshare CH32V003 I/O Expander component, which provides GPIO expansion capabilities through an I²C-connected microcontroller module.

• Creates comprehensive documentation for the new component including configuration examples and pin usage
• Adds the component to the index page for discoverability

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
content/components/waveshare_io_ch32v003.md	Complete documentation for the new Waveshare CH32V003 I/O expander component
content/components/_index.md	Adds the new component entry to the components index table

[github-actions]

@latonita Here is the image for the component https://github.com/esphome/esphome-docs/actions/runs/17476960724/artifacts/3931729613

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[latonita]

@esphomebot generate image WAVESHARE_IO

[github-actions]

@latonita Here is the image for the component https://github.com/esphome/esphome-docs/actions/runs/17477083966/artifacts/3931773391

[github-actions]

There hasn't been any activity on this pull request recently. This pull request has been automatically marked as stale because of that and will be closed if no further activity occurs within 7 days. Thank you for your contributions.

[latonita]

waiting for review

[ProfDrYoMan]

Hi @latonita,

there are some lint and build errors, maybe this is blocking review?

Would love to see this added since my 7B board is arriving soon.

Where can I help, apart from checking that it works for that board at least?