A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

Although the Raspberry Pi started out as a way for kids to learn to code, it has turned into so much more since its invention in 2012. At first, the Pi was something of a simplified computer, and ...

We may receive a commission on purchases made from links. When it comes to DIY tech, the Raspberry Pi is one of the most recognizable products out there. It's been around for more than a decade now, ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...