A Quick Overview of the Barcode Scanner!
If you frequent the mall, supermarket, or even the convenience store, barcode scanners are a usual sight. They're what you encounter when you check out at the counter, used by clerks to determine your items' prices. Also known as price scanners, these electronic devices are used to capture and read the barcode's information. They are made of four components: a light source, lens, photoconductor, and decoder. Barcode scanners essentially work like this: They scan the black and white elements of a barcode using the red light emitted from its body. In more technical terms, they measure the amount of light reflected by the barcode. The black bars naturally reflect less light compared to the white spaces between them. Once the code is detected, the scanner generates an analog signal, which is then interpreted by the decoder. The interpreted code is then converted into text containing the cost, quantity, and maker of the scanned product. This process may seem complicated, but