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COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center
![COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center](https://support.arduino.cc/hc/article_attachments/360016532000/COM_port_changes_2.png)
COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center
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INFO: How do I verify the port number being used by the SRBox? [18028] – PST Product Service & Support
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