Waveshare Barcode Scanner Module User Manual page 24

1d / 2d codes reader
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Barcode Scanner Module User Manual
The format of Data is as below after edit:
【Prefix】【CodeID】【Data】【Suffix】【Tail】
1. Prefix
Add prefix
Profix is a definable string added in front of decoding data, user can edit it by
scanning the related setting code
Allow prefix adding
Modify prefix
You can scan "Modify prefix" code and data setting code to modify the prefix.
Every character has two HEX and every prefix should less than 16 characters. The
Hex of character refer to Appendix D
Example: Modify the prefix as "DATA"
1) Query the character table to get the HEX of "DATA" are that : "44",
"41","54", "41"
24 / 57
Modify prefix
Without prefix
Rev1.0 Date:180621

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