You can just blacklist that USB driver, see Īt the same time, searching for “ch341-uart” gives me How to Install CH340 Drivers and based on that it looks to me like the Arduino IDE should work with the driver. What I think/thought is going on is that a pseudo Arduino Nano is having different hardware then the real Arduino Nano and the USB chip used in the pseudo Arduino Nano is also used for BRLTTY Bluetooth Radioīus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubīus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubīus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubīus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubīus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubĪnybody got an idea about what’s going on here? Or more importantly, how to fix it? Since ttyUSB0 gets disconnected, it never appears in the Arduino IDE. This is a knockoff (LAFVIN) Nano (the QinHeng device listed by lsusb below) that I CAN hook up to other non-SUSE Linux computers.īus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubīus 005 Device 003: ID 1a86:7523 QinHeng Electronics CH340 serial converterīus 005 Device 002: ID 04ca:4005 Lite-On Technology Corp. input: BRLTTY 6.4 Linux Screen Driver Keyboard as /devices/virtual/input/input61 ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0 usb 5-2: usbfs: interface 0 claimed by ch341 while 'brltty' sets config #1 usb 5-2: ch341-uart converter now attached to ttyUSB0 usb 5-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0 usb 5-2: New USB device found, idVendor=1a86, idProduct=7523, bcdDevice= 2.64 usb 5-2: new full-speed USB device number 3 using xhci_hcd When I connect a pseudo Arduino Nano to a USB port, it looks like it gets overridden by brltty Running Tumbleweed snapshot 20211021 on ASUS TUF 15 laptop
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