Barcode Scanners are used by businesses to capture and read information contained in barcodes. A scanner is made up of a light source, a lens, and a light sensor that converts optical impulses to electrical impulses. A Barcode Scanners works by directing a light beam across the barcode and measuring how much light is reflected. The light is reflected less by the dark bars on the barcode than by the white spaces between them. The scanner converts the light energy into electrical energy, which the decoder converts into data and sends to a computer. Read More- https://coherentmarketinsightsus.blogspot.com/2022/09/barcode-scanners-work-by-scanning.html
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