With this relatively inexpensive Raspberry Pi accessory, you can level up your Pi projects by adding a pair of HDMI ports as well as NVMe M.2 support.

As Delhi-NCR battles another season of suffocating smog, one clever Reddit user might have just cracked the code to breathing clean air, without spending half a month’s salary. While most of us are ...

DIY air purifier built by a Delhi man to battle air pollution. (Image: Reddit/Shukrant) Delhi’s air quality remains in the “very poor” category, with the Air Quality Index (AQI) touching 347 at 12 ...

What is RS-232? Why was RS-232 important? Take our poll and see what others think of RS-232. RS-232 (Recommended Standard 232) was introduced in 1960 for serial communication transmission of data.

What just happened? USB testing devices are now widely available at nearly every price point. A Luxembourg-based engineer decided to take things a step further, creating a high-end tester that packs a ...

Can’t boot Windows using a USB drive? If yes, you have come to the correct page. In this post, we will help you find a working fix for boot issues with USB. To boot Windows using USB, you first need ...

That’s because many cars rely on a USB-A port to enable CarPlay. Wireless CarPlay adapters offer a way out of the wired experience, but charging while driving is also important. Unfortunately, Apple ...

Apple switched the iPhone to USB-C a couple years ago with the iPhone 15 line. But many other devices, including Apple products like the Mac and iPad, went all-in on USB-C much sooner. In 2025, it’s ...

There are pocket-sized electronics, and then there’s the EclairM0. It’s a 50 x 40 x 8mm (2″ x 1.6″ x 0.3″) device that weighs just 15 grams (0.5 ounces). But it’s a multifunction gadget with a small ...

In the early days of personal computers, incorporation of one or two (or more) RS-232 serial ports as general purpose I/O adaptors was common practice. Recently, this “vintage” standard has been ...

A USB stick is a smart tool for anyone who needs to move large amounts of information between two different computers — or take a lot of files with them when travelling. It’s simple to use: Just plug ...