1D and 2D barcode scanners are two different types of barcode scanners used to read and decode barcode information. The main difference between them is the type of barcode they can read and the amount of data they can store.
1D barcode scanners, also known as linear or traditional barcode scanners, can only read one-dimensional barcodes, which consist of a series of vertical lines of varying widths. They typically read the barcode by shining a red light onto the barcode and measuring the reflected light to decode the pattern of lines. 1D barcodes can store a limited amount of data, usually up to 20-25 characters.
2D barcode scanners, on the other hand, can read two-dimensional barcodes, which can store much more data than 1D barcodes. 2D barcodes use patterns of dots, squares, and other shapes to encode information. 2D barcode scanners use a camera or imaging technology to capture and decode the barcode information. 2D barcodes can store up to several hundred characters of data, depending on the type of barcode.
In summary, while 1D barcode scanners can only read one-dimensional barcodes and store limited data, 2D barcode scanners can read two-dimensional barcodes and store much more data.