Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ultrasonic ...

The best wireless headphones and best true wireless earbuds let us enjoy audio content without being tethered to our laptop, smartphone or tablet. But as convenient and packed with features as they ...

For those building their own remote controlled devices like RC boats and quadcopter drones, having a good transmitter-receiver setup is a significant factor in the eventual usability of their build.

I like Bluetooth. It revolutionized how to connect speakers and headphones to devices. It's so convenient and reliable. But it has a big limitation – poor range. The good news however is that there is ...

Ramsey's Wireless Remote Winch ControlA little while back, we bought our first 4x4 that featured a keyless entry. It was about the coolest thing we had ever seen. Granted, the technology had been ...