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 ...

Smart thermometers are not the cheapest gadgets around but if you have a Raspberry Pi 3 model B mini PC gathering dust or fancy a new project this weekend you might be interested in this Raspberry Pi ...