Abstract: This article presents an optical sensing technique for estimating water-fill levels and stratification states inside closed plastic pipelines using multiwavelength visible light. Four LEDs ...

In this video I'm walking you through the steps I took to make a standalone version of my pellet level monitoring sensor that is not directly connected to Home Assistant but it functions separately .

Is your houseplant thirsty? Are crops getting enough water? Is a forest at high risk of wildfire? Leaf health can answer all ...

This hose-attached smart sprinkler maps your yard, rotates on command, and measures water use. Despite these clever features, ...

Impedance sensors change how CIP is optimized, revealing real-time rinse status so you can end rinses with confidence — ...

As Rhode Island braces for more intense weather, coastal flooding, and unhealthy summer air, a Brown University researcher is wiring the state with low-cost sensors that let residents and emergency ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kathryn Rath Kathryn Rath is a writer covering audio, video, and smart-home ...

Abstract: This letter proposes a planar microwave sensor and a method to determine the dielectric constant and thickness of millimeter-scale thick dielectric slabs. The device is a capacitive sensor ...