: The IoT based smart trolley is designed using ARM processor. The system eliminates the unnecessary time at a queue. In shopping mall shopping is a daily activity in metro cities. User will have to various products and keep them into the trolley & will have to go to the counter for bill payment of all the products. By using barcode reader the cashier will make the bill at the billing counter. To make a system that can be used to solve the difficulties of costmomer and save the valuable time of users is the main aim of this project. In the shopping mall all the goods will have beset with RFID tags. When a user will keep the products in the trolley, the code and the weight & the name of product will be detected and the total amount of those products will be saved in system memory, the name of product and total amount is shown on the LCD and it will be sent to cashier counter by wirelesses ESP modules. It would reduce the rush at shopping mall & save the unnecessary time at billing counter. Automatic billing is done through the RFID tag. Keywords: Shopping malls, RFID, Trolley, LCD display, IoT, ESP, ARM I. INTRODUCTIONThe place where the people get their day to day requirements such as cloths, food products, electrical application etc is shopping mall. Sometimes users have problems related to the wastage of time at the billing section. There is a large rush at shopping malls at the festival time, holidays and special discounts etc. In such situations use of barcode reader technique results in wastage in time & the customers have to wait at the billing counter till all the items get scanned by using barcode reader. The disadvantages is removed by implementing IoT implemented Smart trolley. Instead of barcode technique RFID system is used. In this system unique RFID reader is used for every trolley and RFID Tags for every product. The RFID reader will read the label which is there on the particular product when user buys any particular product [1]. The prize of product, name of the items and the bill of shopping items will be displaying on the LCD. The IoT based smart trolley present and is simple to use and it does not require any training for the customers. The RFID reader technique has so many advantages over the barcode reader technique. Barcode system only read one items at a time. Reading frequency of RFID is 40 tags. So here the use of the RFID reader is more efficient than the traditional barcode reading techniques. Here the customers can easily use this technique. This system will save time of user and manpower in shopping mall.
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