feat(rmt): improves RMT documentation

[SuGlider]

Description of Change

Improves the RMT documentation for the Arduino API

Test Scenarios

CI Only

Related links

N/A

[github-actions]

Warnings

⚠️

Some issues found for the commit messages in this PR: the commit message "fix(rmt): rephasing": summary looks too short Please fix these commit messages - here are some basic tips: follow Conventional Commits style correct format of commit message should be: <type/action>(<scope/component>): <summary>, for example fix(esp32): Fixed startup timeout issue allowed types are: change,ci,docs,feat,fix,refactor,remove,revert,test sufficiently descriptive message summary should be between 10 to 72 characters and start with upper case letter avoid Jira references in commit messages (unavailable/irrelevant for our customers) TIP: Install pre-commit hooks and run this check when committing (uses the Conventional Precommit Linter).

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[Copilot]

Pull Request Overview

This PR adds comprehensive documentation for the RMT (Remote Control Transceiver) peripheral API in the Arduino-ESP32 framework. The documentation replaces a placeholder "work in progress" message with complete reference material covering all RMT functionality.

Key changes:

• Added detailed explanations of RMT peripheral capabilities and use cases (IR protocols, WS2812 LEDs, custom protocols)
• Documented all RMT API functions including initialization, transmission (blocking/async/looping), reception, and configuration
• Included memory block allocation details for different ESP32 SoC variants
• Added code examples and helper macro documentation

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[Copilot]

Pull Request Overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.

Comments suppressed due to low confidence (1)

docs/en/api/rmt.rst:1

• Corrected spelling of 'deom' to 'from'.

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[SuGlider]

@pedrominatel - last PR for your final review. Thanks!

[pedrominatel]

@pedrominatel - last PR for your final review. Thanks!

Done.