Originally Posted by Simi 60
Would love to see a rundown on how to do this.
My system uses openplotter. Specifically I have a Rpi setup with it installed and utilise KPlex and SignalK for sending NEMA data to a wired network. Of course it also has OpenCPN
on it too, and I can VNC into that but I just run OpenCPN
on the attached devices and use the NEMA data coming from KPlex. The RPi is also running samba to make it a simple file server which is fantastic for storing documents, charts
and routes for sharing. It's also a very simple matter to make this data available to the Internet if required.
Simi, one way to get NEMA data and Internet together over a single WiFi
connection is to utilise a RPi as a Kplex server then connect it to a portable Wifi Router. The wifi router is configured to connect to a 4G modem
over wifi and use it as an internet gateway. This then allows internet access via either the wired connection or the unit's own wifi hotspot. This means that even if there is no Aircard attached, the router will still transmit NEMA data and vice versa.
My system seems a little complex at first glance, but it is designed to be modular and to have redundancy. I use a 5 port portable USB powered switch so as to integrate the MFD, radar
and Nav station PC onto the wired network directly. In the pictures below, the black box is the pc, the blue is the wifi router and the "Optus" labelled unit is the 4G modem
. The other picture shows the RPi in it's installed position on top of the VHF radio
. My RPi is a little thicker than standard because it has a dAISy HAT AIS
receiver board attached.