We built the perfect anchor alarm system🚨 Here is how we use it
When we arrived at the anchorage, Holly handled the windlass while I talked through how we set the anchor. We’ve also got the anchor alarm running on a split screen, so you can see it working in real time, including when the alarms go off.
The anchor watch is a custom Home Assistant setup that takes GPS, depth, heading and wind data from Signal K. It calculates our swing radius using the amount of rode we’ve put out and the depth, then keeps an eye on the boat for any signs that we’re dragging. If the boat moves outside the area it should be in, both our phones get an alert and the onboard siren sounds, whether we’re awake, asleep, or simply not paying attention. That’s really why we built it: for peace of mind when we’re anchored.
We’ve put the full write-up on our website, and Crew members can download the integration and map panel code.
Read the write-up: https://svsabado.com/building-a-custom-anchor-watch-system-with-home-assistant-and-signalk/
Get the code: https://svsabado.com/documents/
Holly and Ray
Engineers turned sailors Holly and Ray are transforming their Lagoon 42, SV Sabado, into the ultimate off-grid voyager. Explore their New Zealand refit and technical journey.
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