Upload to UNO R4 Minima from Linux machine fails: "LIBUSB_ERROR_ACCESS"

[billznn]

This was the solution for me on Linux.

It should be added in large notes to the official tutorial. As it is now, the official tutorial is unusable (at least for Linux).

EDIT: after moving this post to a new topic my comment doesn't make sense, unless I link the post I referred to

DFU Error - Cannot Upload Sketch to R4 Minima

I know this isn't a Windows fix, but I had the same issue under Linux (Fedora) and finally fixed this with the following code: # UDEV Rules for Arduino UNO R4 boards # # This will allow reflashing with DFU-util without using sudo # # This file must be placed in: # # /etc/udev/rules.d # # After this file is installed, physically unplug and reconnect the device. # # Arduino UNO R4 # -------------- # SUBSYSTEMS=="usb", ATTRS{idVendor}=="2341", ATTRS{idProduct}=="0069", GROUP="plu…

BTW, it is normally the case that in Linux USB devices needs to be manually added to the udev rules if not done by some installer (maybe we should suggest to add this as an option for the IDE, for instance?).