Yes, the Opencart Point of Sale system does support barcode scanning functionality. After adding the products the barcodes are created automatically. The admin can print these barcode stickers and paste them on products.
Check out the video tutorial – https://www.youtube.com/watch?v=4x7yehZkcZA
At the time placing the order the POS user can scan the barcode and get the product information instantly.
Please do contact us for any further queries or requirements. You can also check our opencart extensions for additional features.