Example: Code 3 of 9 is the most popular barcode for encoding alpha-numeric characters. Key features: 2 different width of bar/space. Symbol set contains 43 characters: A-Z, 0-9, and -, ., *, $, /, +, %, SPACE. Each character is made up of 5 bars and 4 spaces with 3 wide bars/spaces and 6 narrow …

