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 ...

Play around with optics long enough and sooner or later you’re probably going to want a spectrometer. Optical instruments are famously expensive, though, at least for high-quality units. But a useful ...

We may receive a commission on purchases made from links. Few do-it-yourself computing products have taken the world by storm like the Raspberry Pi, after it was first released in 2012. As ...

While off-the-shelf hardware has its uses, building it yourself lets you customize your designs and develop gear just for you. The 2023 All-In-One Raspberry Pi & Arduino Developer Bundle shows you how ...