Minor documentation improvements

[leandroebner]

This pull request updates the project documentation to improve clarity and provide more detailed setup instructions for users. The most important changes include a rewritten project description, the addition of a hardware revision changelog, and a significantly expanded programming guide for the Arduino IDE.

Documentation improvements:

• Rewrote the main project description in docs/README.md for greater clarity, specifying the PCB size, battery type, and updating pricing notation.
• Added a hardware revision changelog table and a new image for hardware version 2 in docs/README.md.

Programming instructions:

• Expanded the Arduino IDE setup section in docs/documentation.md with step-by-step installation instructions, including how to add the MicroCore board package and configure programming settings.
• Provided a detailed table of required programming settings for the Morse Code LED Blinker in docs/documentation.md.
• Clarified instructions for editing and uploading C++ code, including how to customize the predefined string.

[Copilot]

Pull request overview

This pull request improves the project documentation by enhancing clarity, adding detailed setup instructions, and including hardware revision information for the Morse Code LED Blinker project.

Changes:

• Rewrote the main project description with specific hardware details (4 cm × 4 cm PCB, CR2032 battery, €1.50 pricing)
• Added a hardware revision changelog table and updated the hardware image
• Significantly expanded the Arduino IDE programming guide with step-by-step installation and configuration instructions

Reviewed changes

Copilot reviewed 2 out of 4 changed files in this pull request and generated 5 comments.

File	Description
docs/documentation.md	Expanded programming guide with detailed Arduino IDE setup, board package installation, programming settings table, and enhanced code editing instructions
docs/README.md	Updated project description with specific hardware specifications, added hardware revision changelog table, and replaced hardware image

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[Copilot]

There is a punctuation error. A colon should not be used before "Encouraging". The sentence should either end with a period after "take home" or continue with a comma instead of a colon. Based on the sentence structure, it should likely be a period followed by "Encouraging" as the start of a new sentence.

Suggested change

This compact 4 cm × 4 cm PCB, powered by a CR2032 coin cell and driven by an ATtiny13A microcontroller, is designed to make learning electronics engaging and accessible. Equipped with a blinking LED, clearly labeled components, and Arduino IDE compatibility via a dedicated programming header, it offers a hands-on introduction to soldering, microcontrollers, and embedded programming. Originally developed for university workshops, its minimalist design and modular approach make it perfect for classrooms, makerspaces, and self-guided learners alike. At a low cost of around €1.50 per unit, it’s affordable enough for every participant to take home: Ecouraging continued exploration and tinkering beyond the workshop.

This compact 4 cm × 4 cm PCB, powered by a CR2032 coin cell and driven by an ATtiny13A microcontroller, is designed to make learning electronics engaging and accessible. Equipped with a blinking LED, clearly labeled components, and Arduino IDE compatibility via a dedicated programming header, it offers a hands-on introduction to soldering, microcontrollers, and embedded programming. Originally developed for university workshops, its minimalist design and modular approach make it perfect for classrooms, makerspaces, and self-guided learners alike. At a low cost of around €1.50 per unit, it’s affordable enough for every participant to take home. Encouraging continued exploration and tinkering beyond the workshop.