Designed by Nova Radio Labs in the US, the Novaduino Environmental Sensor Kit is an Arduino-programmable air quality and ...

Abstract: A highly sensitive humidity sensor based on open cavity fiber Fabry-Perot interferometer (FPI) with double-sided contact film is proposed. The sensor is fabricated by inserting a section of ...

Abstract: In this study, we demonstrate fabrication of an evanescent wave fiber optic humidity sensor based on PEG-PMMA microsphere film as moisture-sensitive material. A three dimensional stacking ...

Air Lab is a $250 portable air monitor with CO2, NOx, VOCs, e-paper, open data via MQTT, five-day battery, and no cloud ...