MacArthur HAT
Connect a Raspberry Pi to NMEA 2000, NMEA 0183, SeaTalk input, and optional sensors.
Research this item →A growing collection of products worth investigating, with the limitations and installation questions that ordinary product listings often skip.

A portable, dual-hose cooling option we are evaluating for the Yukon Delta Nomad and our vintage RV. We have not yet installed or tested it, and the proposed 2027 collaboration is not confirmed.
See the project page and official product link →Use code YukonDeltaNomad for 5% off. Affiliate compensation has not been confirmed.
See the RAKA offer →Connect a Raspberry Pi to NMEA 2000, NMEA 0183, SeaTalk input, and optional sensors.
Research this item →A capable base for OpenPlotter, Signal K, OpenCPN, dashboards, logging, and remote access.
Research this item →Look for suitable brightness, dimming, viewing angle, glove use, voltage range, and IP rating.
Useful for checking warm connections, cooling performance, refrigeration, and water intrusion patterns.
An interesting option for slow-changing battery, tank, weather, or checklist information.
Can avoid holes in some plastic water or waste tanks; verify wall thickness and tank compatibility.
Useful for temporary testing and load awareness, but not a substitute for correctly rated standing rigging.
Build scene lighting and night modes while maintaining fusing and a manual method of control.
Durable QR or NFC labels can link crew to shutdown instructions, wiring diagrams, and parts records.