This is my device /dev details: root@HiveController:/boot# ls /dev/ autofs fuse loop1 mmcblk0 pts ram6 serial tty11 tty23 tty35 tty47 tty59 ttyS0 vcs2 vcsu video14 block gpiochip0 loop2 mmcblk0boot0 ram0 ram7 serial0 tty12 tty24 tty36 tty48 tty6 ttyUSB0 vcs3 vcsu1 video15 btrfs-control gpiochip1 loo...

Hi Dirk

Thank you for the confirmation. Will give it a try on mine when I get a USB to RS485 adapter.

Regards
Peter

In this page, it says revpi-flat can use RS485 as a Serial Console without HDMI:
https://revolutionpi.com/en/tutorials/o ... utzen-flat

We have RevPi Connect S. Does it support this feature the same?

Regards
Peter