Hello, I found a way here to disable the Serial port that appears in the Device manager for a simple HID exemple Modify USB profile to remove serial port - just want keyboard (Leonardo) opened 05:14PM - 16 Jun 17 UTC …

Modify USB profile to remove serial port - With switch (Leonardo)

gdsports April 3, 2018, 11:17pm 4

Press the reset button to put the Leonardo in upload mode for 8 seconds.

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