RESOLVED: Apparently the Tensyduino add-on installation (for Arduino IDE) had somehow been removed, perhaps during a system update or something. Weird, it was definitely installed on this machine back in June 2023. Once I re-installed it, it...
I hadn't yet, so I just went and did that.. Copied the file to BOTH the locations suggested in the comments, restarted the computer. This does not fix the problem :(
hmmm the old board shows that it recognizes "Product: USB Serial" in addition to the board, whereas the new board doesn't show this recognition on the log
old board that works:
Feb 27 10:46:12 jagdeep-gift rtkit-daemon[1938]: Supervising 5...
I ordered a new batch of Teensy 4.1 boards in Feb 2024, but cannot connect to them--they don't show up on the port list. Older Teensy 4.1 boards work fine (I ordered the older ones in June 2023).
My setup: Ubuntu - Release 22.04.4 LTS (Jammy...