Thinking about buying Flipper Zero accessories? These picks explain what each add-on does, where it helps, and where the limits show up.

The iPhone is well known for its excellent camera. You may have noticed a black dot near the lenses and wonder what it is there for and what it does.

Li-Fi is a wireless data system remarkably similar to Wi-Fi, but uses light to send information. Data rates can hit a gigabit a second, while maintaining line-of-sight privacy. pureLiFi is showing off ...

Hidden cameras in hotel rooms are not just an urban myth, and travel safety guides now routinely warn you to scan specific fixtures the moment you arrive. One widely cited checklist even names smoke ...

Have you ever noticed a small black dot next to the camera on some iPhones and wondered what it does? Even many long-time ...

This project involves the design and development of a miniature remote-controlled car powered by an Arduino microcontroller, enhanced with advanced smart features like emergency braking and infrared ...

IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

Phlux Technology's Noiseless InGaAs infrared sensors are now being evaluated for use in premium hunting and professional ...