In this paper, we present the electromagnetic characterization of the chitosan-based hydrogel in ultra-wideband (UWB) frequencies, and its use as a pH sensor with chipless radio frequency ...

Elecrow hit Kickstarter with an electronics learning lab-in-a-box based around the Raspberry Pi. A 2nd generation crammed the lab into a laptop form factor. The CrowPi 3 "playground for programming, ...

As the first metal-oxide gas sensor featuring multiple sensing elements on one chip, the SGP30 provides more detailed information about the air quality. Download all the source files and open examples ...