RFID based advanced shopping trolley 🛒

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ABSTRACT: RFID based advanced shopping trolley 🛒
Purchasing and Shopping at big malls is becoming daily activity in metro cities. We can see big rush at these malls on holidays and weekends. This crowd becomes huge when there are special offers and discount. People purchase different items and put them in trolley. After total purchase one need to go to billing counter for payments. At billing counter, the cashier prepares the bill using bar code reader which is very time-consuming process and results in long queue at billing counter. Our aim is to develop the system which can be used in shopping malls to solve the problem mentioned above.

To implement this project we are using microcontroller, RFID, LCD (16x2) and Buzzer. It will consist of RFID reader. All the items in the mall will be equipped with RFID tags. When person put any item in the trolley its code will be detected and the price of that item will be stored in memory. As we put the items the costs will get added to total. Thus, the billing will be done at the trolley itself. The entire data related to goods are stored in the microcontroller will be displays on LCD along with Buzzer and LED. For detecting different items RFID reader will be used. LCD used will be 16X2 liquid crystal display. It will be used to display item names, item cost and total bill. By using push button, we can remove the items from trolley and automatically that particular item cost will reduce from total amount. The entire system works with a battery power.
The Microcontroller is programmed using Embedded C language which provides effective environment for performing the task of the project. Express PCB software is extracted to design the circuit boards.

The major building blocks of this project are:
1. Battery power supply.
2. Arduino nano Micro controller.
3. RFID TAGs.
4. RFID Reader.
5. Push button.
6. Buzzer.
7. LCD display.
8. RED, GREEN LED indicators.

Software’s used:
 Embedded C programming.
 Arduino IDE programmer for dumping code into Micro controller.
 Express SCH for Circuit design.