More and more, it seems, all the various pieces of electronics on our boats are interconnected; just take a look at the helm of a well-equipped contemporary cruiser and you can see the basic nav functions on the chartplotter and autopilot, but also digital info on engine, genset and even transmission functions all on the display in front of you. But how do all these separate pieces of digital information all come together? Here’s a great introduction to new digital gateways that connect all the electronics on board from the Marine Electronics Journal. It used to be that NMEA 0183…