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 ...

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...

I finally had my own house. It was a repossession, and I bought it for a song. What was supposed to be a quick remodel quickly turned into the removal of most of the drywall in the house. There was a ...

More often than not, an IoT master device uses the SPI (serial peripheral interface) and I 2 C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...

In Part 1 and Part 2 of this series we used the Linux image creation tools provided by the Yocto Project to create custom embedded Linux images that targeted Raspberry Pi 5 and Raspberry Pi Compute ...

Raspberry Pi enthusiasts building projects incorporating relays may be interested in a new piece of hardware created by Sequent Microsystems, offering up to 32 relays in a single project. This ...

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 ...