Iot Based Smart Cart Billing System

Due to special offers or seasonal discounts, there is a huge rush in the mall for shopping and shoppers end up purchasing many product items without knowing the final bill amount. After realizing final bill amount at the bill counter is over the budget, it becomes cumbersome job to remove the unwanted product items at that time. This results into a hectic job and queue gets longer due to such delay. So to avoid that, fully automated smart cart billing system is developed for shoppers to keep the track of total bill of purchased product items and pay the bill in most quick and easy way. The IoT based smart cart billing system consists of barcode scanner, microcontroller, display & trolley unit. In this system, scanning of barcode is totally done by shoppers with the help of smart trolley and it immediately gives an idea to shopper about the final bill amount after inclusion of every product into the cart. In this proposed system, shopper just need to visit billing counter to pay the final bill amount onl