# m3y54m/embedded-engineering-roadmap architecture

> Architecture diagram of the GitHub repository m3y54m/embedded-engineering-roadmap, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-06-26). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/m3y54m/embedded-engineering-roadmap
- Repository: https://github.com/m3y54m/embedded-engineering-roadmap

## Overview

1. **Repository type**
   - This is a **documentation / roadmap repository**, not an application runtime.
   - Its primary deliverables are a **Markdown knowledge base** and a **Visio roadmap diagram** for embedded-systems learning.

2. **Core source artifacts**
   - `README.md` is the main human-facing entry point and contains the entire curriculum structure, explanatory text, and curated links.
   - `Embedded-Engineering-Roadmap.vsdx` is the editable diagram source used to maintain the roadmap visually.
   - The PNG shown in the README is not stored in-tree; it is referenced from the **latest GitHub release**.

3. **Information architecture**
   - The roadmap is organized around three top-level domains: **Software**, **Hardware**, and **Soft Skills**.
   - Beneath those are topic clusters such as electronics, programming languages, microcontrollers, communication protocols, operating systems, debugging, testing, security, and embedded Linux.
   - The repository’s structure is therefore mostly **content taxonomy**, not code modules.

4. **Authoring workflow**
   - Content is authored and maintained in Markdown and Visio.
   - The Visio file acts as the canonical visual source for the roadmap image, while the README acts as the canonical narrative/index of resources.
   - This creates a split between **diagram source** and **documentation source**, with the README embedding or linking to the diagram artifact.

5. **Published artifact flow**
   - The README links to the roadmap image hosted in the **latest GitHub release**.
   - That implies a release-based distribution path: update source file(s) → export image → publish release asset → README points users to the current version.
   - The repo therefore uses GitHub Releases as the external delivery boundary for the visual roadmap asset.

6. **Quality and linting boundary**
   - `.markdownlint.json` defines Markdown style rules.
   - `.github/workflows/static-analysis.yml` is the only visible automation and likely enforces static checks on repository content, especially Markdown formatting.
   - This keeps the repository’s main maintenance risk focused on **documentation quality**, not build correctness or deployment.

7. **Collaboration and governance**
   - `CONTRIBUTING.md` and `CODE_OF_CONDUCT.md` define contribution rules and community behavior.
   - This repository is community-driven and expects external suggestions via issues and pull requests.
   - The contribution model is important because the content is curated and continually expanded rather than generated.

8. **External dependencies by design**
   - The repository depends heavily on **external learning resources**: books, videos, articles, courses, and community sites.
   - Those links are part of the product itself; the repo is essentially an **index of authoritative references** for embedded engineering.
   - There is no local dependency on SDKs, package managers, or device toolchains.

9. **Distribution model**
   - The README includes GitHub badges for stars, forks, watchers, contributors, tags, and downloads, indicating the repo is intended for public sharing and versioned releases.
   - Licensing is under **CC BY-SA 4.0**, which supports reuse and remixing with attribution and share-alike constraints.

10. **Operational boundaries**
   - There is no backend, database, device firmware, or compiled binary in the repository.
   - The only “build-like” activity is content validation and publication of the roadmap asset.
   - So the architecture is best drawn as a **content authoring pipeline** with a static documentation surface, a diagram source file, and GitHub-based publication/validation around it.

Main entry points: [`README.md`](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/README.md) (README), [`Embedded-Engineering-Roadmap.vsdx`](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/Embedded-Engineering-Roadmap.vsdx) (Roadmap Diagram), [`.github/workflows/static-analysis.yml`](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/.github/workflows/static-analysis.yml) (Static Analysis), [`LICENSE`](https://github.com/m3y54m/embedded-engineering-roadmap/tree/master/LICENSE) (License)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_docs["Documentation"]
  node_readme["README<br/>markdown entrypoint<br/>[README.md]"]
  node_taxonomy["Curriculum<br/>content taxonomy"]
  node_software["Software<br/>domain"]
  node_hardware["Hardware<br/>domain"]
  node_softskills["Soft Skills<br/>domain"]
  node_resources["Resources<br/>curated links"]
end

subgraph group_roadmap["Roadmap Source"]
  node_roadmap_vsdx["Roadmap Diagram<br/>visio source"]
end

subgraph group_quality["Quality"]
  node_markdownlint["Markdown Rules<br/>lint config<br/>[.markdownlint.json]"]
  node_analysis_workflow["Static Analysis<br/>github workflow"]
end

subgraph group_governance["Governance"]
  node_contributing["Contributing<br/>policy<br/>[CONTRIBUTING.md]"]
  node_conduct["Code of Conduct<br/>policy<br/>[CODE_OF_CONDUCT.md]"]
  node_funding["Funding<br/>community config<br/>[FUNDING.yml]"]
end

subgraph group_distribution["Delivery"]
  node_release_asset["Release Image<br/>published asset"]
  node_license["License<br/>cc by-sa"]
  node_github["GitHub Releases<br/>distribution channel"]
end

node_readme -->|"defines"| node_taxonomy
node_taxonomy -->|"contains"| node_software
node_taxonomy -->|"contains"| node_hardware
node_taxonomy -->|"contains"| node_softskills
node_readme -->|"indexes"| node_resources
node_readme -->|"describes"| node_roadmap_vsdx
node_roadmap_vsdx -->|"exports to"| node_github
node_github -->|"hosts"| node_release_asset
node_release_asset -->|"embedded in"| node_readme
node_markdownlint -->|"feeds"| node_analysis_workflow
node_analysis_workflow -->|"checks"| node_readme
node_analysis_workflow -->|"checks"| node_roadmap_vsdx
node_contributing -->|"guides edits"| node_readme
node_conduct -->|"supports"| node_contributing
node_license -->|"governs reuse"| node_readme
node_license -->|"governs reuse"| node_roadmap_vsdx
node_funding -.->|"supports"| node_github

click node_readme "https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/README.md"
click node_roadmap_vsdx "https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/Embedded-Engineering-Roadmap.vsdx"
click node_markdownlint "https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/.markdownlint.json"
click node_analysis_workflow "https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/.github/workflows/static-analysis.yml"
click node_contributing "https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/CONTRIBUTING.md"
click node_conduct "https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/CODE_OF_CONDUCT.md"
click node_license "https://github.com/m3y54m/embedded-engineering-roadmap/tree/master/LICENSE"
click node_funding "https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/.github/FUNDING.yml"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_readme,node_taxonomy,node_software,node_hardware,node_softskills,node_resources toneBlue
class node_roadmap_vsdx toneAmber
class node_markdownlint,node_analysis_workflow toneMint
class node_contributing,node_conduct,node_funding toneRose
class node_release_asset,node_license,node_github toneIndigo
```

## Components

### Documentation

Markdown knowledge base and curated reference index.

- [README](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/README.md): markdown entrypoint · Main narrative index for the roadmap and learning resources. · `README.md`
- **Curriculum**: content taxonomy · Top-level embedded engineering learning structure.
- **Software**: domain · Firmware, programming, systems, and tooling topics.
- **Hardware**: domain · Electronics, components, and physical system topics.
- **Soft Skills**: domain · Communication, teamwork, and professional practice topics.
- **Resources**: curated links · External books, courses, articles, and community references.

### Roadmap Source

Editable diagram source for the visual curriculum map.

- [Roadmap Diagram](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/Embedded-Engineering-Roadmap.vsdx): visio source · Canonical editable diagram source for the roadmap visual. · `Embedded-Engineering-Roadmap.vsdx`

### Quality

Markdown style and static validation for repository content.

- [Markdown Rules](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/.markdownlint.json): lint config · Style and formatting rules for repository markdown. · `.markdownlint.json`
- [Static Analysis](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/.github/workflows/static-analysis.yml): github workflow · Automation that validates repository content and markdown quality. · `.github/workflows/static-analysis.yml`

### Governance

Contribution and community policy.

- [Contributing](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/CONTRIBUTING.md): policy · Guidance for issues and pull requests. · `CONTRIBUTING.md`
- [Code of Conduct](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/CODE_OF_CONDUCT.md): policy · Community behavior and participation standards. · `CODE_OF_CONDUCT.md`
- [Funding](https://github.com/m3y54m/embedded-engineering-roadmap/blob/master/.github/FUNDING.yml): community config · Repository sponsorship and support metadata. · `.github/FUNDING.yml`

### Delivery

Versioned public release of the roadmap image and reuse terms.

- **Release Image**: published asset · Rendered roadmap image distributed through the latest GitHub release.
- [License](https://github.com/m3y54m/embedded-engineering-roadmap/tree/master/LICENSE): cc by-sa · Reuse and share-alike terms for the content. · `LICENSE`
- **GitHub Releases**: distribution channel · External boundary used to publish the roadmap image.

## Connections

- README → Curriculum: defines · README lays out the curriculum structure and topic hierarchy.
- Curriculum → Software: contains · Software is one of the roadmap's top-level domains.
- Curriculum → Hardware: contains · Hardware is one of the roadmap's top-level domains.
- Curriculum → Soft Skills: contains · Soft skills complete the top-level curriculum structure.
- README → Resources: indexes · README curates external learning resources as part of the product.
- README → Roadmap Diagram: describes · The narrative points to the editable roadmap source.
- Roadmap Diagram → GitHub Releases: exports to · Diagram source is rendered and published as a release asset.
- GitHub Releases → Release Image: hosts · The latest release distributes the roadmap image.
- Release Image → README: embedded in · README links users to the published roadmap image.
- Markdown Rules → Static Analysis: feeds · Lint rules are enforced by repository automation.
- Static Analysis → README: checks · Static analysis validates documentation content and formatting.
- Static Analysis → Roadmap Diagram: checks · Workflow likely validates tracked repository artifacts.
- Contributing → README: guides edits · Contribution guidance shapes how documentation changes are proposed.
- Code of Conduct → Contributing: supports · Behavioral policy underpins collaboration rules.
- License → README: governs reuse · License applies to the repository content and roadmap materials.
- License → Roadmap Diagram: governs reuse · License also applies to the diagram source.
- Funding → GitHub Releases: supports · Funding metadata relates to the public project on GitHub.