I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless control to Arduino or ESP8266 projects. In this video, I’ll walk you through ...

Innovative magnetic robots for steel bridge inspection utilize AI and advanced sensors, ensuring effective defect detection and structural health monitoring.

It's why DIY smart home projects suddenly got cheap (and actually doable) ...

The Bluetooth connectivity of the Amazon Echo Dot opens up a surprising number of opportunities to use it with plenty of ...

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

It’s a common ritual: whipping out those calipers or similar measuring devices to measure part of a physical object that ...

The last week of the release continued the same “lots of small fixes” trend, but it all really does seem pretty benign, so I’ve tagged the final 7.0 and pushed it out. I suspect it’s a lot of AI tool ...

Microsoft has released an emergency update to fix a Bluetooth device visibility issue on hotpatch-enabled Windows 11 Enterprise devices. The Bluetooth devices will not appear in Windows Settings or ...

Bluetooth is baked into just about everything these days, from wireless earbuds and fitness trackers to laptops, cars, and smart home devices. In 2025 alone, there were an estimated 5.3 billion ...

When using an external speaker or using a headphone, at the time, it gets annoying because they don’t work. It worked before, but it’s not working the next day. In this post, I will show what you can ...

I've been a contributing editor for PCMag since 2011. Before that, I was PCMag's lead audio analyst from 2006 to 2011. Even though I'm a freelancer now, PCMag has been my home for well over a decade, ...