Add aside section showing Python alternative to MicroPython for device communication and update non-MicroPython notebook

[Copilot]

• Add aside section to 1.4.1 notebook showing Python alternative to MicroPython
• Update 1.4.2 non-MicroPython notebook to conform to repository standards
• Fix critical bug where msg was compared instead of payload_str in command processing
• Remove hardcoded credentials and replace with placeholder values for security
• Add security warning about not hardcoding credentials in production environments
• Improve code structure with better comments, error handling, and logging
• Enhance documentation with clearer explanations and usage instructions
• Add Colab badge for consistency with other notebooks in the repository
• Restore sgbaird public test credentials per feedback while maintaining clear security warnings
• Update security warning to use repository's standard caution note format matching > **_NOTE:_** pattern

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[Copilot]

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[sgbaird]

@copilot ok, seems fine. But can you also review and make any necessary updates to that non-micropython notebook? I don't remember particularly what's there, but I'd like it to conform.

Also why did you delete deployment.zip?

[Copilot]

@copilot ok, seems fine. But can you also review and make any necessary updates to that non-micropython notebook? I don't remember particularly what's there, but I'd like it to conform.

Also why did ...

I deleted deployment.zip because it was a build artifact that got accidentally committed in commit 80cb911. I properly removed it and added it to .gitignore to prevent future accidental commits of build artifacts (commit 77a306f).

I'll now review and update the non-micropython notebook to ensure it conforms to the style and quality standards of the other notebooks.

[sgbaird]

You can leave # Replace with your HiveMQ host etc. in, but keep the default credentials with sgbaird, since these are public test credentials. However, make sure it's clear that people shouldn't be exposing credentials like this in plain text, if it's not already clear

[sgbaird]

@copilot see my review comment above

[Copilot]

You can leave # Replace with your HiveMQ host etc. in, but keep the default credentials with sgbaird, since these are public test credentials. However, make sure it's clear that people shouldn't be ...

I've restored the sgbaird public test credentials while keeping the placeholder comments and enhanced the security warning to make it clearer that these are public test credentials and that credentials should not be exposed in plain text in production environments. Changes in commit d317b4d.

[sgbaird]

@copilot I think you can reuse the "caution" note from somewhere else. Otherwise seems fine

[Copilot]

@copilot I think you can reuse the "caution" note from somewhere else. Otherwise seems fine

Updated the security warning to use the repository's standard caution note format (> **_CAUTION:_**) following the same pattern as the > **_NOTE:_** format used elsewhere in the repository. Changes in commit d317b4d.

[Copilot]

Pull Request Overview

This PR adds educational resources for Python-based MQTT communication as an alternative to MicroPython, while improving code quality and security practices. The changes provide a comprehensive solution for devices that can run full Python environments.

• Adds an aside section in the MicroPython notebook explaining Python alternatives for device communication
• Updates the non-MicroPython notebook with improved structure, documentation, and security practices
• Fixes a critical bug in command processing where the wrong variable was being compared

Reviewed Changes

Copilot reviewed 2 out of 4 changed files in this pull request and generated no comments.

File	Description
1.4.1-onboard-led-temp.ipynb	Adds aside section explaining Python alternative to MicroPython for device communication
1.4.2-non-micropython-device-version.ipynb	Complete restructure with improved documentation, security warnings, bug fixes, and enhanced code quality

Comments suppressed due to low confidence (1)

docs/courses/hello-world/1.4.2-non-micropython-device-version.ipynb:1

• The code correctly fixes the critical bug where msg was being compared instead of payload_str. This was preventing proper command processing as msg is an MQTT message object, not a string.

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