Smart trolly system

Abstract

The smart trolley system integrates QR codes and RFID sensors to automate product detection and billing in supermarkets. It features a digital display that shows real-time bill updates, supports online payments, and allows easy product addition or removal. The trolley's innovative removal mechanism adjusts the bill based on barcode orientation or RFID changes. Powered by rechargeable lithium-ion and alkaline batteries, the trolley offers long-lasting use with convenient recharging via a USB-C port. The display also provides an interface to check product details, discounts, and payment options. Payment methods include UPI, mobile wallets, and credit / debit cards, with integration for loyalty programs. Security features include anti-theft alarms and compatibility with handheld or automated scanners at exits. Built from lightweight, durable materials, the trolley ensures ease of use and reliability. The system also supports eco-friendly practices by promoting digital receipts and optimizing energy consumption. In summary, this smart trolley enhances the shopping experience by reducing wait times, automating billing, and offering a sustainable, efficient solution for modern supermarkets.