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BBN support for MacArthur HAT
I have now managed to get BBN running smoothly on my RPi 5 fitted with a nVME SSD card, USB GPS receiver, o-charts and an RS-422 dongle feeding in AIS data, thank you.

I have a MacArthur HAT which I'd like to connect, however I don't see how to enable the required UARTs as there does not appear to be a Serial application in the package. Am I missing something here, or is there another way to get the HAT recognised?
Same question. any answer?
I'm trying this to install from here. Maybe it will work on BBN
git clone
looks likey here Gerry
Something like this?

UARTs of the MacArthur hat for NMEA 0183 on BBN Marine OS

Raspberry Pi 5

NMEA 1 in/out: UART2
NMEA 2 in/out: UART4

in /boot/firmware/config.txt

Raspberry Pi 4 and 3

NMEA 1 in/out: UART3
NMEA 2 in/out: UART5

Reboot after editing /boot/firmware/config.txt

and check devices created

ls -ltr /dev/tty*
Download BBN Marine OS for raspberry pi

Video of actual installation:

Thanks mgrouch, that's what I'm looking for.
For those who look to use one of Waveshare CAN hats:

Set up instructions for modifying /boot/firmware/config.txt
on BBN Marine OS
Download BBN Marine OS for raspberry pi

Video of actual installation:


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