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Any smart garden hose valve integration?
(lemm.ee)
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
I'll second the Zigbee valve, I got mine on AliExpress for about 50$ CAD. It's a big gray thing with a button on the side, it looks like it's all the same model. It exposes a switch in HA, on when the water can flow, off when it can't. Pretty easy to automate.