Hi I just bought an Arduino Uno and I was trying to play with it under Ubuntu, when the following problem appeared. When I plug my arduino on my computer with the USB, I get in dmesg: [15198.924211] usb 3-1: new full-speed USB device number 14 using xhci_hcd [15199.001083] usb 3-1: ep 0x82 - roun…

/dev/ttyACM3 not showing

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