On Mon, Jan 19, 2026 at 07:01:25PM +0100, Bernard wrote: > Hi to Everyone, > > I’ve been using this temperature recorder for a number of years. To get it > to work on Debian, I had to install a program with Python, according to a > doc I had found. This generated a directory named elitech-datareader-1.0.5, > which provides commands to program the recorder as well to recuperate > recorded data. I still have this on my Debian 11 system, and it still works. > > Problem is : over time, the recorder became wet inside, so I decided to buy > a new one of the same model. The new one I received is exactly the same > RC-5… but it appears that the software has changed : it no longer works on > my system. The elitech site only proposes software for Windows and Mac…, but > it said the same thing in the old days (maybe 2017) at the time I had found > what still works on my old RC-5. > > The old RC-5 is an USB device. Whenever plugged into a usb port : > > $ lsusb > > Bus 001 Device 088: ID 1a86:7523 QinHeng Electronics CH340 serial > converter > > If I replace the old RC-5 by the new one, the above line disappears for the > lsusb output, but another line appears instead : > > Bus 001 Device 089: ID 246c:9001 FMSH MSC+HID [...] You might want to do "sudo dmesg | tail" shortly after inserting the device (say a couple of seconds or five). Perhaps that allows us to see what the kernel is making of this. Poking around in the Intratubes suggests that this is a "combined USB device" offering a storage and a HID (that's the MSC+HID) interface. Cheers -- tomás
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