Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

The device, which pulls moisture from the atmosphere to form its electrolyte, could power wearable health monitors ...

Abstract: Soil humidity measurement is crucial for the sustainable development and decision-making in the industrial and agricultural fields. In this article, we propose a polyimide-coated fiber Bragg ...

Abstract: A high-sensitive wireless and passive surface acoustic wave (SAW) humidity sensor operating at 433 MHz was designed and developed. SiO2 thin film with large specific surface was employed as ...

Researchers develop a stretchable battery powered by air moisture with a built-in self-destruct feature for IoT devices.

Researchers from North Carolina State University and Rice University have created a nontoxic, stretchable battery that operates by extracting moisture from the ambient environment—even in climates as ...