Barcodes have been around for more than 50 years now, and there’s no end in sight. They first gained traction with the use of UPC and EAN codes on products, making supermarket checkouts much faster. Since then, a lot of different barcode types emerged.
One-dimensional barcodes can only hold a very limited amount of data. Since they can be detected by optical laser scanners and a lot of this hardware is still around, they are widespread. That is about to change with mobile scanning solutions like an SDK that can be used in any app to scan lots of barcode types.
The GS-1 barcode is a sub-standard of Code 128 and was heavily adopted by the industry because it was introduced as a new standard to encode commonly used data together with an identifier. For example expiration dates, lot numbers, serial numbers and so on. The identifier tells you what data follows and it’s possible to chain multiple kinds of data as well.
Two-dimensional barcodes are made of a grid of „pixels“ which can have either an on (black) or off (white) state. These pixels usually have a fixed width and height. A visual anchor, called a marker or symbology, makes it easier for the reading devices to find the code. You most certainly know the squares in the corners of a QR code. But there are many more patterns in these types of barcodes, like the central squares of the Aztec code or black lines of the Data Matrix code.
Other 2D barcodes use dots or colored triangles to be more efficient. These standards are not very common, and the industry focuses on the three options that have been displayed previously.
If you want to implement the Scanbot Barcode Scanner SDK into your workflow, don't hesitate to contact us. We'd love to bring your ideas to life. For more information about the use cases of the PDF 417-, and the Data Matrix Code, feel free to check out our blog posts.
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