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 the ...

A novel humidity sensor based on a specially designed polyimide coated dual-mode fiber (DMF) is presented in this paper. The parameters and index profile of the DMF used in the experiments are ...

Our hacker [Avi Gupta] has sent in their submission for the One Hertz Challenge: the LoRaSense RGB Pi HAT. This “HAT” (Hardware Attached to Top) is for any Raspberry Pi with 40-pin ...