in this project the RFID reader will attached to all the shopping trolley or cart in the shopping centers, which will be detect and identify the product that will be dropped in the shopping, and the bill will be generated, which be send to Arduino, then the Arduino interfaced with the memory unit, where all the information about the product written, and then the details of the product will display on LCD display, and the customers will add the product the they want to buy, and when the shopping is done the customers click the push button to end the shopping, the smart trolley will calculate the total cost and shows in the lcd display, the customer will pay total bill through the smart shopping trolley itself.