Detecting rain
NOTE: these are notes on on ongoing "project" that i sporadically work on, not actual documentation of how to achieve anything
Hydreon RG-9
- https://rainsensors.com/products/rg-9/
- https://rainsensors.com/support/rg-mounting-alternatives/
- https://rainsensors.com/support/rg-9-rg-15-faq/
- https://community.home-assistant.io/t/hydreon-rg-15-rain-sensor/332794
- https://www.esphome.io/components/sensor/hydreon_rgxx