In this video, I'm making a carbon monoxide monitor for my home using an MQ7 carbon monoxide sensor, a DHT11 temperature and humidity sensor, and a NodeMCU microcontroller board. This sensor is ...

Sonoff has announced the launch of two affordable smart air quality sensors. The AirGuard PM2.5/PM10 model monitors fine particles, temperature and humidity, whilst the CO₂ version adds carbon dioxide ...

John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University. In ...

Climate science is the study of relatively long-term weather conditions, typically spanning decades to centuries but extending to geological timescales. The discipline is primarily concerned with ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...