If you want to measure humidity (and temperature, and maybe even barometric pressure) in a device that you’re building, have a look at this comprehensive test ... The other sensors were fine ...

In testing, his chip started out at 20°C and reached equilibrium at 24°C after about a minute. Pretty neat, and could be used as a temperature sensor for a project in a pinch.

The updated CORE2 body temp sensor keeps the same tech the WorldTour seems to love and makes one important change.

A presence sensor uses wave radar technology to sweep a room, looking for the slightest movement, not the broad gestures that ...

With good sensitivity, selectivity, and stability, this technology addresses long-standing challenges in air quality monitoring, industrial safety, and environmental protection—promising a safer, ...