How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

Here's What Every Different USB Port Type Actually Means

C, and USB Type-B ports all provide data transfers and power delivery, though the latter is much less common on modern ...
Hackaday

How Do PAL And NTSC Really Work?

Many projects on these pages do clever things with video. Whether it’s digital or analogue, it’s certain our community can ...
NBC Sports

Africa Cup of Nations 2025: Schedule, results, how to watch live, dates, details

The Africa Cup of Nations 2025 has taken center stage in December and early January, as 24 teams went to Morocco aiming to be crowned AFCON champs. Now only a handful remain in this brilliant ...
iTech Hacks

How to Share USB Printer on Windows 11 Over Wi-Fi (Complete Setup)

Learn how to share a USB printer on Windows 11 in 2025. Step-by-step setup, network settings, PrintNightmare fixes, and ...

8 HDMI tricks to get the best performance from your TV - and most are free

If your devices only support up to 4K at 60Hz, a "premium high-speed" HDMI cable (18Gbps, HDMI 2.0) is perfectly fine. Again, just avoid really old or thin cables. Early HDMI cables (HDMI 1.4 or older ...

What is full form of USB? From Type-A to USB-C ports: Here’s what every USB port means, its shape, and transfer speed explained

Universal Serial Bus, or USB, is a common connection used in many devices, from smartphones, laptops to everyday gadgets. It allows data transfer, device charging, and even video output. USB ports are ...