Depending on the barcode scanner, some devices need to have the
Enter(CR + LF) pressed after scanning.
Most devices have an automatic
Enter input, but some need manual input.
Please refer to the instruction guide of your device and change the settings appropriate to your PC or OS.
To test your device, please go to https://keycode.info and scan any barcode.
Please check if the number displayed at last is 13(event.key 'Enter').
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