Had a leak under the sink in our kitchen. I don’t want to imagine what this would have meant on a larger scale, compared the 20€ I spent on the sensor and the 10mins it costed me to install it.
this post was submitted on 05 Feb 2025
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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
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Re batteries: You could also set up an automation that periodically checks the status and/or availability of your battery-powered sensors. Here's a useful community blueprint for this: https://community.home-assistant.io/t/low-battery-notifications-actions/653754
I have mine checked once a week.