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Design, simulation, and implementation of internet of things ( IoT ) based module suitable for a smart cart in a smart retail store.
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The front-end used is a hybrid POS/Stock UI Control System made with Python3 and kivy.
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The hardware used is a Raspberry pi model 3B+ as the microprocessor, a 7-inch capacitive touch control screen, and RFID chips as embedded sensors.
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The backend used is a NoSQL (MongoDB) Cloud-Based database server.
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The OS used on top of the microprocessor is UBUNTU MATE 18.04 Linux OS.
Step 1: Start
Step 2: customer sign in
Step 3: Scan RFID Tag
Step 4: After scanning, fetch product details from database
Step 5: Display product details on screen
Step 6: Add product cost to total as products are being scanned
Step 7: Customer can “REMOVE” a product from total
Step 8: If product is removed display message “Are you sure you want To remove product ??”
Step 9: If product is removed update list and show the reduced total on screen and if not, total will be same
Step 10: if customer finished shopping, then he/she can print the receipt
Step 11: Receipt is printed at the cashier’s side
Step 12: Customer pays and leave.