Bonrix 3.5" USB Calculator Display with Dynamic QR for Small Retail
🚀 Plug-and-play customer-facing display with smart calculator app, dynamic UPI QR codes & GST compliance. Perfect for kirana stores, vendors & small retailers — no POS needed!
🚀 Transform Retail Billing with Bonrix Embedded Innovations' Smart Calculator Display + Dynamic QR!
Tired of manual calculations and cash payments? Bonrix Embedded Innovations (Ahmedabad, INDIA) introduces the Customer Facing Calculator Display Screen — a revolutionary plug-and-play solution for small retailers still using basic calculators!
🌟 Key Features
📱 Smart Calculator App
- Track running totals in real-time
- Auto-split GST (CGST/SGST/IGST) for compliant billing
- Mirror calculations instantly on the 3.5" USB display (BEI-CFD-001-CALC)
🔢 Dynamic QR + Calculator Screen
- Show real-time billing totals on customer-facing display
- Generate BHIM UPI QR codes with exact payment amounts
- Eliminate manual entry errors & speed up checkout
🎨 Customizable Display
- Adjust font size, foreground/background colors for visibility
- Display JPEG images for promotions or branding
- Portrait orientation optimized for counter placement
🔌 Plug-and-Play Simplicity
- USB OTG connectivity — no drivers or complex setup
- No POS software or technical skills required
- Works with any Android smartphone or tablet
📊 Technical Specifications
- Display: 3.5" TFT LCD, 320×480 pixels
- Connectivity: USB OTG (2m cable included)
- QR Support: Dynamic JPEG-based QR generation
- App Version: 1.0.0 (Android)
- Power: 5V DC via USB — no external adapter needed
💡 Why Retailers Love It
- ✅ Transparency: Customers see every calculation — reducing disputes & building trust
- ✅ GST Compliance: Auto-tax splits ensure accurate, audit-ready billing
- ✅ Instant UPI Payments: Payments go straight to your bank — no cash handling or change issues
- ✅ Affordable & Scalable: Perfect for kirana stores, street vendors, pop-up stalls & service providers
⚡ How It Works
- Enter item prices into the Bonrix Calculator App on your Android device
- Totals + GST auto-calculate and mirror on the customer-facing 3.5" screen
- Tap to generate a dynamic BHIM UPI QR code with the exact amount
- Customer scans & pays — payment confirmed in seconds with audio/visual alert
- Done! No cash, no errors, no delays.
🛍️ Ideal For
- 🛒 Kirana stores, grocery shops & provision stores
- 🚶 Street vendors, market stalls & pop-up sellers
- 💇 Service providers: salons, tutors, repair shops, clinics
- 📦 Small businesses needing GST-compliant billing without expensive POS systems
🔗 Ready to Upgrade Your Billing?
Experience the future of small retail billing — simple, transparent, and cashless.
🖥 Try the Live Demo: Customer Facing Calculator Display
📱 Download Android App: Bonrix Calculator Display
🛠️ Hardware: Dynamic QR Display with ABS Enclosure
🔗 Full Product Page: Customer Facing Display Screen
🌐 Explore More: Bonrix Embedded Innovations