Barcode Scanner

+A **barcode scanner** is an optical reader decoding printed [barcodes](/wiki/barcode). It transforms visual patterns into digital [data](/wiki/data), enabling swift tracking and system entry across various industries.

+## See also

+- [QR Code](/wiki/qr_code)

+- [RFID](/wiki/rfid)

+- [Point of Sale](/wiki/point_of_sale)