RS-80

Sovereignty-First Point of Sale

Zero subscriptions. Zero cloud dependency. Power-only operation anywhere on Earth. The successor to ReggieStarr POS, built for complete offline independence.

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📴

100% Offline

SQLite database with local storage. No internet required. Works completely disconnected.

🖨️

Thermal Printing

ESC/POS compatible thermal receipt printing. TCP/IP connection to 58mm/80mm printers.

🧮

Calculator Keypad

7-8-9 top layout with Clear/Enter row. Double-zero by single zero. Built for speed.

💰

Tax System

Exclusive, Inclusive, and Exempt tax modes. Per-item tax configuration. Flexible for any jurisdiction.

🔓

Open Price

Zero PLU triggers custom price entry. Perfect for variable-price items and open-ended sales.

💵

Cash Payments

MVP hardware support for cash transactions. Cash drawer trigger integration ready.

📚 Documentation & Testing

📁 Source Code (GitHub) — Complete Android Studio project
🖨️ Thermal Printer Test Protocol — Hardware testing procedures
📋 DepotChaos Task Tracking — DF-RS80-001-v2 assigned to Chelios2
🏗️ Architecture Documentation — Technical specifications

🎯 Next Steps

Hardware Testing: Connect thermal printer and run test protocol
Barcode Scanner: Integrate USB-HID barcode scanner support
Cash Drawer: Test cash drawer trigger integration
Multi-Terminal: Local WiFi mesh with CRDT sync
Production Deploy: SUNMI V2 Pro / PAX A920 target devices