Smart boat panel. Digital switching

[mgrouch]

Boat Control Relay PCB design

https://github.com/antevens/boatcontrol

Commercial: Simarine.net Nereide-3

https://simarine.net/nereide-3/

[mgrouch]

Simarine Pico integration with SignalK

https://github.com/htool/Pico2SignalK

and overall number of SignalK plugins
https://github.com/htool?tab=repositories

[mgrouch]

YachtDevices digital switching:

https://yachtdevicesus.com/collections/digital-switching

Marine digital switching CZone:

https://czoneonline.com/

[mgrouch]

One more project

https://github.com/hoeken/yarrboard

[mgrouch]

Another digital switching board and software for boats

yarrboard

https://github.com/hoeken/yarrboard

[mgrouch]

Devantech Ethernet Relays

Manuals

https://www.manualslib.com/manual/1565931/Devantech-Eth8020.html

[mgrouch]

Here is one more option

https://www.alibaba.com/product-detail/Aux-Automotive-Off-road-Marine-SUV_1601358016368.html?