contactless transactions

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• Published Subscription Original Research 13 Aug 2025

  Smart Trolley Billing System

  By Sania Arif Mohammed Khan, Shantanu Krushna Chinchle, Kajal Krishna Raut, Kalindi Deepak Mahajan

  Abstract: The Smart Trolley Billing System is an advanced automation solution designed to enhance retail efficiency by integrating IoT, embedded systems, and real-time data processing. Utilizing a GROW GM65 Barcode Scanner Module, Raspberry Pi 4, and a Capacitive Touchscreen display, the system streamlines checkout by capturing product data, dynamically updating a preloaded SQLite database, and displaying an itemized bill in real-time. Its Python-based software stack ensures efficient barcode processing, database management, …

  Published in Journal of Electronic Design Technology · Vol. 16, Issue 3, 2025 · pp. 29–36 Read article →