IDE 2.1.1 now allows me to upload sketches to an Uno R4 WiFi, but I still cannot upload sketches to a Minima. For a simple sketch that uploads fine to an R4 WiFi I get the following error message on the Minima: Sketch uses 33716 bytes (12%) of program storage space. Maximum is 262144 bytes. Glob…

I had this issue but when i ran C:....\AppData\Local\Arduino15\packages\arduino\hardware\renesas_uno\1.0.1\drivers\dpinst-amd64.exe as an administrator I was able to upload sketches. Hope this helps and thanks @ubidefeo and extended arduino team for this cool microcontroller.

Hi @ubidefeo - I am using a standard Dell Precision 5540 laptop with Windows 10 and no restrictions that I am aware of. When I double tapped the reset button the Minima status changed to disconnected and a Windows Notification popped up saying 'Setting up a Santiago'. Trying to upload a sketch pro…

@flynace , try manually running dpinst-amd64.exe as suggested by @the2ndtierney Were you part of the preview users group?

Hi all, I have followed instructions of @the2ndtierney but without success. I have reinstalled Arduino last version 2.1.1 CLI 0.32.3 but a COM port associated to Arduino R4 MINIMA doesn't appear.

My issue also appears to be a permissions problem - thank you @the2ndtierney ! My user account did not have the authority to install the DFU USB drivers. So even though the installation of R4 core appeared to succeed after I entered my password to modify system files, the actual installation faile…

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 # # Afte…

@GreyLimit Thank you. This solution worked on my Ubuntu workstations :slight_smile:

Apparently like many others, code won't upload to my R4 MINIMA from my WIndows 10 desktop. In Device Manager "Other Devices" I see DFU-RT Port and in Ports I see USB Serial Device (COM13), which is the port that shows up under the IDE "Tools--> Port tab When I try to upload it says no DFU capable d…

@brooksdr if on Win 10 you're having trouble running the driver installer it might be a permission issue. Can you try right-click the installer and choose "Run as Administrator"? It will request for your system's password. These system changing programs have to be installed by a system admin

Well, I tried that and this is what I get (a message no different than when I tried to run it not as an administrator): [image]

DFU Error - Cannot Upload Sketch to R4 Minima

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DFU Error - Cannot Upload Sketch to R4 Minima

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