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I am using a PIC32mz microcontroller for a serial port emulator application. Example code is working fine.

But if I want to sell this product, do I need to get a new vendor ID? Is it OK to use the manufacturer vendor ID?

ocrdu
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Ahmet Atcı
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    ask the manufacturer – jsotola Apr 21 '22 at 05:48
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    The documentation of the PIC and the libraries should include the rules how to use the vendor ID. And you can visit the [USB organisation](https://www.usb.org/) for further information. – the busybee Apr 21 '22 at 05:49
  • Thanks i am going to check it. – Ahmet Atcı Apr 21 '22 at 05:50
  • One thing to watch out for with USB VID/PID, is that changing the VID/PID may require some extra steps to match up the correct device driver. For windows PCs especially, the PC looks at USB VID/PID to determine which device driver (software) to use. – MarkU Apr 21 '22 at 06:21
  • https://electronics.stackexchange.com/questions/80815/what-is-a-product-id-in-usb-and-do-i-need-to-buy-it-for-my-project – Mike Apr 21 '22 at 09:49
  • for sure at least once FTDI actively broke the driver for non-original FT232 chips; at least vendor has a PID selling program to aid in registration (you use their VID but with an unique PID assigned by them); to be 100% USB compliant you should get you VID *and* certify the board – Lorenzo Marcantonio Apr 21 '22 at 10:11
  • Does this answer your question? [What is a product ID in USB and do I need to buy it for my project?](https://electronics.stackexchange.com/questions/80815/what-is-a-product-id-in-usb-and-do-i-need-to-buy-it-for-my-project) – Finbarr Apr 21 '22 at 11:31

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