Hello! I’m trying to search on the Internet who has used this sensor (I don’t know its name) for rain on esphome but with poor results. Has anyone used it? Feedback? Wiring? Thanks
I would expect it closes a relay under (some) rain condition, you could easily use that as trigger(white/green wires).
Otherwise connect it to Esp serial through RS485-TTL converter and start experimenting with undocumented modbus protocol…
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Here is some information about communication