Meet the Ursalink LoRaWAN Soil Moisture Sensor: a soil moisture sensor for smarter irrigation. It has an external probe to determine volumetric water current with research grade accuracy.
More gadgets like this: here
This multi-sensor can measures soil moisture, temperature, air quality, and water level. It is powered by a 19000mAh battery.
Disclaimer: *Our articles may contain affiliate links. Please read our disclaimer on how we fund this site. As an Amazon Associate, we earn from qualifying purchases.