I have figured it out by now. I was using the (non-automotive) PS7 from the AUR, but it only started working after I added my user to the "pico" group. I found this info in the udev rules file.

However, PS6 still doesn't want to run, but we are happy with 7.

Thanks for your quick reply. Using libps2000 gave the same results unfortunately. Shouldn't I see more information in dmesg? Version 7 (that is not automotive) for Manjaro/Arch I cannot find. I tried using the .deb package, but didn't succeed. Are you planning to release for Manjaro/Arch as well or ...

Hi, we just received a PicoScope 2205A and we're trying to get it to run on a Manjaro machine. Installed software: Picoscope 6.14.36_4r5676-1 from https://aur.archlinux.org/packages/picoscope libps2000a 2.1.54_5r2438-1 from https://aur.archlinux.org/packages/libps2000a However, PicoScope cannot find...