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 ...

The Raspberry Pi 5 is a credit card-sized computer that packs a lot of I/O features into a compact design, including four USB ports, two micro HDMI ports, and a single Gigabit Ethernet port. But if ...

Visualizers used to be very much in vogue, something you’d gasp in at amazement when you’d fire up Winamp or Windows Media Player. They’re largely absent from our modern lives, but [Arnov Sharma] is ...

In the world of social media, “keeping receipts” refers to the practice of storing evidence that may come in handy for a callout post at a later date. For [Teddy Warner], though, it’s more applicable ...

Zigbee2MQTT enables Zigbee devices to communicate with your home automation software via MQTT. Utilizing a Raspberry Pi as a dedicated Zigbee hub provides flexibility in device placement. Running ...

If you own a Raspberry Pi, you can start several operating systems from a single boot medium. All you need is a micro SD card with sufficient room (32GB or more) and a tool called PINN. This stands ...

What if you could build an AI chatbot that’s not only blazing fast but also works entirely offline, no cloud, no internet, just pure local processing power? Below, Jdaie Lin breaks down how he ...

Corin Cesaric is a Flex Editor at CNET. She received her bachelor's degree in journalism from the University of Missouri-Columbia. Before joining CNET, she covered crime at People Magazine and ...