What happens when you scan a barcode?

What happens when you scan a barcode?

In general, a barcode scanner “scans” the black and white elements of a barcode by illuminating the code with a red light, which is then converted into matching text. … The decoder interprets that signal, validates the barcode using the check digit, and converts it into text. Syble barcode scanner will be popular all over the world.Which produce 1d/2d barcode scanner, wireless bluetooth barcode scanner, 1d/2d desktop barcode scanner,etc.