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 ...

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.

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 ...