What I have done

I'm in a situation in which I would like to make a software that interacts with multiple USB devices with similar udev value (same ID_VENDOR_ID and same ID_MODEL_ID).

I need to differentiate which item is which programmaticaly, the udev value can't help me as they might be similar.

I may not program specific usb port on my machine as I'd rather have the software be mobile.

Hardware description

I'm looking for a dongle, some sort of cheap USB interfaces with programmable USB descriptors to which I can connect to my machine and device such that I may look for the interface descriptors programmatically rather than use the original device descriptor.

Thank you very much.

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