Abstract
Abstract: The current shopping method used in Indian supermarkets and malls is time-consuming, as customers have to wait in long queues for billing even though they can roam and select their products with a trolley. To handle large crowds, we need to reduce the time spent on the billing process. This can be achieved using a smart shopping system based on RFID technology. Each smart trolley is equipped with an RFID reader, an LCD display, a NodeMCU ESP8266 and each product with RFID tags. The list of items and their costs are displayed on the LCD screen. The IoT-based trolley simplifies shopping and enhances security. Using WiFi, customers can connect to a mobile application which displays their purchases and allows them to pay their bills through the app
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