Conversion NMEA2K to NMEA193 can easily be done in OpenPlotter 2.00 beta via SignalK. You dont' need a serial connection for this setup.
Works perfect on my RPI4. See my other report about this setup with an image of the screen with GPS and AIS input from NMEA2K.
Bram
See image. Left under is the small canbus adapter with optical usb connection.
Works perfect on my RPI4. See my other report about this setup with an image of the screen with GPS and AIS input from NMEA2K.
Bram
See image. Left under is the small canbus adapter with optical usb connection.