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 ...

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 ...

Have you ever wished for a sleek, personalized display that blends seamlessly into your space while keeping you informed and inspired? Imagine a vibrant, low-power smart dashboard that showcases your ...

[Kerry Wong] points out that the Uni-T MSO oscilloscopes have a logic analyzer built in — that’s the MSO, or Mixed Signal Oscilloscope, part — but you have to add the probes. He shows you how it works ...

When you go to install your new Roku device on your TV, you may believe all HDMI ports are created equal and it won't matter where you plug in that Roku, but you'd be wrong. Similar to USB, which is a ...

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 ...

Everything you need to know about the new Star Wars movies and TV shows releasing in the next few years When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...