Embedded System for Autonomous Shopping Carts with Android IoT App for Social Distance Shopping

Abstract

Technology has transformed how much individuals of all ages like technological equipment. Smart card readers, barcodes, and RFID scanners are employed in numerous industries. Supermarkets need these tools too. Everyone in the mall buys the trolley merchandise. After buying, the person must wait for billing. A worker scans each product's barcode and bills it to the final. Holidays, special discounts, and weekends can make this procedure even longer. Mall shopping has been made smarter to overcome this. Each product has an RFID tag instead of barcode. RFID, LCD, and IOT modules are in the Smart Trolley. Any product placed on the trolley is scanned and its cost, name, and expiration date are shown. The whole cost will be applied to the final bill. The bill is stored in the microcontroller's memory and transferred via IOT module for android app counter checkup. The IOT module sends the customer purchase details after the purchase. The central android application receives this information from the trolley's IOT transmitter and the phone's IOT receiver via Telnet. To remove an added product, scan it again. The charge will be reduced by the product's cost. Programming is done with Raspberry pi IDE and simulation is checked with Proteus before hardware implementation.