Smart Wifi Rain Guage into HA

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DIY Zigbee rain gauge

Rain has never been more exiting Last updated: August 2025 Sensor has been running on the same battery since December 2020 Today I want to share with you how I made a wireless battery powered Zigbee rain gauge for $20. It measures the rainfall amount in mm or inches. Furthermore, the battery life is +4 years! [IMG_2331] The raingauge with a lighter and a pen for size comparison [image] Daily and monthly measured rainfall in mm Modify the Rain Gauge What you need: Aqara Door/window sen…