I get the following output file. Looks to me that the USB device is recognnised but in domoticz not? 14.528746] uart-pl011 3f201000.serial: no DMA platform data [ 16.294568] usb 1-1: USB disconnect, device number 2 [ 16.294604] usb 1-1.1: USB disconnect, device number 3 [ 16.295061] smsc95xx 1-1.1:1 ...

Hello Firewizard, I used sudo nano /etc/udev/rules.d/99-usb-serial.rules And my file was empty, i dont know if that is correct because there is only one usb device connected and that is the P1 cable. Should that be visible in the rules file? Can it be possible that the cable is broken and that is ...

Hello @firewizard,

Yes i did, but it did not help.
I'm still missing the option USB in the pulldown menu.

I run it on a rasberry pi.
Version 10
Buster

Version: 2021.1 (build 13689) Build Hash: d29a27ffe Compile Date: 2021-10-05 08:15:57 dzVents Version: 3.1.8 Python Version: 3.7.3 (default, Jan 22 2021, 20:04:44) [GCC 8.3.0 Since the last beta update the option to select USB at the serial menu is gone. only the option serial1 and AMAO can be ...