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 ...

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 ...

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 ...

The Raspberry Pi 5 is a credit card-sized computer with a quad-core Arm Cortex-A76 processor and up to 16GB of RAM. It also has plenty of I/O capabilities thanks to support for WiFi, Bluetooth, ...

Subscriptions, subscriptions, subscriptions. It was bad enough when your video streaming app, music app, and VPN required one. Now you've got subscriptions for shaving razors, dog toys, and beef jerky ...

India is spending hundreds of millions of dollars to build roads, tunnels and landing strips throughout the Himalayas, as it prepares for a possible future clash with its longtime nemesis China. India ...

New York City's 2026 mayoral inauguration of Zohran Mamdani has published a list of banned items for the event, specifically prohibiting the Flipper Zero and Raspberry Pi devices. As first reported by ...

TL;DR: Windows 11 Pro is just $9.97 (MSRP $199) for a limited time — upgrade your aging computer with a modern interface, improved performance, and advanced security for under $10. Let’s get something ...

Discover Arduino Uno Q, a hybrid Linux plus microcontroller board with four Cortex A53 cores, so you get precise control and ...

Where code meets reality, embedded systems come at that intersection, demanding precision, efficiency, and careful planning.

The C64 Mini Black Edition is on sale for the first time since its release last October. The Amazon-exclusive retro console is up for grabs for $88 (was $120). The $32 discount is pretty great, but if ...