A research team develops a real-time humidity sensing optical sensor. The response time of the new sensor is 10,000 times faster than the conventional sensors and can be mass-produced at low cost. The ...

Hydrogen plays an important role in society’s energy transition. For the technology to be used on a broad scale, effective hydrogen sensors are required to prevent the formation of flammable ...

Tired of condensation wrecking your shed tools or greenhouse gear? I built a no-frills ESP32 + DHT22 node that wakes every 15 minutes, grabs temp/humidity data, beams it over Wi-Fi, and sleeps—running ...

Aqara makes a range of HomeKit-compatible smart home devices for multiple regions around the world. This review takes a look at four of Aqara's latest products, including its Temperature and Humidity ...

Now this is proof that smart home tech doesn’t have to be expensive ...