RFID BASED SHOPPING TROLLEY
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Abstract
While purchasing in super market we can gather items we want, put it in the container and at the time of billing only we come to know about the total cost. Also we need to stand in a queue for billing those items. To overcome this here we can design a RFID Based Trolley to make the purchase more easily and comfortable.
An RFID Reader with electronics hardware system in fitted with the trolley to make the purchase comfortable. All the items are fitted with an RFID card whose price is fixed into the card. When an item is shown in front of the reader (fitted in the trolley) the amount for the item is added to the purchase bill and is shown on the LCD Display. It also has the provision for removing the items from the trolley where the cost is removed from the total cost. We can set a limit value for the purchase amount in the microcontroller, once the items are added the cost is added up and if it crosses certain limit it gives an alarm signal to indicate that. Along with this a search mode is also provided to the customer. By selecting search mode, customer can easily find out a product that the customer wants to search in the super market.
MCU send data through RF module to the receiver side in the search mode if the particular product is selected using key pad. Send data is corresponds to product details that the customer wants to search in the super market. On receiver side, LED indication for corresponding data/product received will switch ON. Audio indication is also provided by MCU. 2.4 GHz open band wireless transceiver modules are used on receiver and transmitter which have range of 30m.
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References
2013 IEEE International Conference On RFID Technologies.
IEEE RFID-TA 2015.
Programming a PIC Microcontroller