A bar code is an machine (scan)readable representation of data, which shows data about the object to which it attaches. Generally barcodes represented data by varying the lines width and height and spacings of parallel lines, and may be referred to as linear or one-dimensional (1D). Later they evolved into rectangles, dots, hexagons and other geometric patterns in two dimensions (2D). Although 2D systems use a variety of symbols, they are generally referred to as barcodes as well.
Using bar code originally scanned special optical scanner and smart phone devices
There are many types of barcodes like
1.barcode39
2.barcode128
3.barcode93
4.barcode11
5.barcode8 etc..
If you want to download the code Click Here
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