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 time-consuming the cashier prepare 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.   The RFID reader is interfaced with the microcontroller and RFID tag is attached to each and every good package. When the goods are placed in the trolley the RFID tags attached to the goods are decoded by the RFID reader interfaced to the microcontroller along with Buzzer and the information is stored and displayed on LCD. The system automatically sends the selected good number along with cost and bill into the WEB page using IOT technology. This system works with 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:

• PIC Microcontroller.
• Battery Power Supply.
• Crystal Oscillator.
• Reset Button.
• LED indicators.
• LCD display.
• RFID reader and Tags.
• ESP8266 WI-FI.
• Buzzer.

  Software’s used:  

• PIC-C compiler for Embedded C programming.
• PIC kit 2 programmer for dumping code into Micro controller.
• Express SCH for Circuit design.

     

Block diagram:  

video: