It is probably worth recalling that the use of a VID / PID pair in the device descriptor is prescribed by the USB specification, according to which this pair must be unique for each device. Previously, if you did not have money for a full-fledged VID pool ( 2000-4000 USD ), you could buy such a pair from an intermediary company that owns its own Vendor ID. Since 2010, the consortium has tightened regulations for such sub-sales, and I don’t know how things are today.Source: https://habr.com/ru/post/147898/
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