2020-11-27, 01:57 AM
(2020-11-27, 12:44 AM)Peter— Wrote: How would I connect the wires to my raymarine nmea- and nmea+ terminals? Rs422 seem to have 5 terminals.. tx+,tx-, rx+ rx- and ground.
Also interested. My boat has very old Navman instruments that support their proprietary NavBus, but they also have NMEA0183 in and out. I'm looking to hook that up to my RPi4. I bought these, don't know if they'll work (or even how to connect them):
https://www.ebay.com.au/itm/363169726044
For isolation I'm planning to use the Si8621 chips I have on hand.