November 23, 2021
A two-dimensional code is actually a two-color rectangular matrix distributed on a plane (i.e. two-dimensional direction) with specific geometric figures according to a certain rule. The new generation of barcode technology that records data symbol information looks like a two-color square. maze. It is different from common barcodes (ie one-dimensional codes). In terms of information expression, the two-dimensional code can express different information in both horizontal and vertical directions at the same time, so the amount of information that can be stored is dozens of times that of a barcode, and it can integrate images, sounds, text and other information; […]








