I have been working on an alternative firmware for the ST Wireless V1 to allow me to test things such as the seatalk to nmea gateway functionality coming up . The hardware is wired exactly the same but is specifically meant to allow you to use the web interface to specify data values to send to the seatalk bus every 30 seconds. Emulating the signals that real instruments / devices send.
Currently the following siganls are emulated
- Course Over Ground
- Speed Over Ground
- Heading
- Speed Through Water
- Apparent Wind Speed
- Apparent Wind Direction
More data signals in development including GPS data .



Github Repo – https://github.com/nauti-control/ST-Tester






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