a Small Scale Desalination and Water Purification Prototype that is powered by electric heating for scientific purpose and prototyping ahead according to the Libre Water Mission
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Acraea Prototype (LibreWater)

Open-source solar desalination prototype and documentation.


🔧 Build the current prototype

Build-ready files are located here:

  • Generated build artifacts: gen/
  • Editable source files: src/

These folders contain:

  • CAD source files
  • Manufacturing exports (STL/DXF/PDF)
  • Bill of Materials (BOM)
  • Assembly documentation
  • Firmware and tooling

If you just want to build the prototype, start there.


🧠 Development pipeline

Ongoing development files are located in:

  • src/
  • res/
  • gen/

This includes:

  • Mechanical and firmware source files (src/)
  • Generated files (gen/)
  • Build scripts and tooling (src/tools/)
  • Media assets (res/)

Use this if you want to modify or extend the system.


📚 Documentation & Orientation

  • Roadmap: ROADMAP.md
  • Contributing: CONTRIBUTING.md
  • Docs entrypoint: doc/README.md
  • Open tasks: doc/tasks/README.md
  • References: doc/reference/README.md

📖 Project background and history

Project overview and branch-based version history are documented here:

  • doc/overview/README.md

🔀 Versioning model

Acraea versions are tracked by git branches, not by release folders.

  • Acraea2.0 branch contains the previous prototype state
  • main contains the current prototype state (Acraea 3.0)