This device from SwitchBot measures temperature, humidity, carbon dioxide levels and more to keep my home safe during the ...

Abstract: Colorimetric dye readout devices have been explored extensively, with many approaches relying on complex hardware setups that stabilize the illuminant and capture conditions, typically ...

Abstract: Surface acoustic wave (SAW) gas sensors with nanostructured material-based sensing layers are desirable in gas sensing owing to their high sensitivity, and their fast response and recovery ...