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 ...

This kit is now discontinued. We've upgraded the Adafruit Motor Shield v1 to v2, with stacking-support and higher-current motor drivers, Please check out the v2 shield - its much better! Here is a ...

Abstract: This paper proposes a pedestrian localization technique using a wireless sensor network. An unknown input observer (UIO)-based Kalman filter and UIO-based ...