From "just a number" to unique barcode according to ISO/IEC 15459 standard.

The tutorial explains in a few minutes how to generate a generally understandable code from an internal number. Basically, only a few principles have to be considered and the knowledge of what a unique barcode (or RFID Tag) contains, or can contain, should not only be reserved for a few AutoID experts, but should be made available to all interested parties. Click here