Paper Title
Advance Shopping Trolley With Easy Bill Payment

Shopping department shops have become one of the developing sectors withinside the international. In purchasing department shops, there was an rising marketplace for immediate and easy charge of payments. Sometimes, customers are disappointed with locating the objects at the purchasing listing whilst purchasing in a shop and no assistance is required. We have designed a clever trolley with clean charge gateway to resolve those issues. This paper gives an interface to assist purchasers find the product's location.It additionally gives a consolidated and automated billing gadget the use of NodeMCU's barcode scanner. Super markets can be issued with a barcode for every shopping center commodity, to differentiate its type. A Product Identification System (PID) containing NodeMCU, the barcode reader, is used for every purchasing cart. Purchasing product information at the purchasing cart may be study via way of means of a barcode reader and supplied withinside the cellular app this is related to the device. The general invoice goes thru the Admin PC via way of means of the processor to get right billing. Keywords - Billing Trolley, Barcode, NodeMCU, Purchasing