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Home assistant cheap pool sensor?
(sh.itjust.works)
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
If your willing to home brew a solution, check out the esphome project. It’s very easy to implement and runs on very inexpensive esp32 boards.
I’ve got something similar, but less ambitious running at my place (temp only). It’s been solid for about 6 months now.
Thanks! I have a few answers with same suggestion, will check all this out!