Appendix B: Common Uart Command - Waveshare Barcode Scanner Module User Manual

Barcode Scanner Module User Manual
APPENDIX B: COMMON UA RT COMMAND
Functions
Set Baud rate as 9600
Save setting to EEPROM
Query the baud rate
After sending the query command of baud rate, the module will response as below:
Return
02 00 00 02 C4 09 SS SS
02 00 00 02 71 02 SS SS
02 00 00 02 39 01 SS SS
02 00 00 02 D0 00 SS SS
02 00 00 02 9C 00 SS SS
02 00 00 02 4E 00 SS SS
02 00 00 02 34 00 SS SS
Note: SS SS is checksum
47 / 57
Commands
7E 00 08 01 00 D9 D3 20 38
7E 00 09 01 00 00 DE C8
7E 00 07 01 00 2A 02 D8 0F
Related Baud rate
1200
4800
9600
14400
19200
38400
57600
Rev1.0 Date:180621