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Sistema POS — Inventory, Sales & Supplier Ticket OCR
I started developing this POS system after seeing the needs of my grandmother, who works at a small grocery store and needed a simple application to help her manage sales and inventory.
What started as a small personal project has turned into an application I've been developing for the past two months. The system currently includes point-of-sale functionality, inventory management, barcode support, sales history, analytics, PDF ticket generation, and local OCR for reading supplier tickets and adding products to the inventory.
The project is built with Python, SQLite, Streamlit, Pandas, and Tesseract OCR. I have also worked on packaging the application into a Windows executable installer. I used Claude as an additional aid specifically during the installer/build process and while troubleshooting some deployment issues.
The project is functional, but it is still a work in progress. The installer and some parts of the interface need further refinement. I'm also still learning CSS and UI/UX design, so the visual design is currently much more focused on functionality than polish.
One of the main remaining integrations is security and role-based access control, particularly separating administrator and employee permissions. This is something I plan to implement before considering the application production-ready.
This project has been a practical way for me to learn software architecture, databases, OCR, desktop deployment, and how to build a complete application around a real-world problem rather than just a technical exercise.
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