Robotic collision sensors are crash protection devices that detect a crash before or during a collision. A collision sensor sends a signal back to the robot’s brain (robot controller) in such ...

Kendo, a Japanese martial art, is practiced with a special sword. It’s not a particularly sharp sword, though, since the “blade” is essentially a length of bamboo. For this reason, Kendo practitioners ...

Researchers have developed a battery-free underwater communication system that uses near-zero power to transmit sensor data. The system could be used to monitor sea temperatures to study climate ...

If you are going to build a foam dart range, at some point you want to add a sensor to register the hits at the target. Here is a simple idea for designing and building a standalone reactive target.

The classic Casio wristwatch, a staple of affordable and reliable timekeeping, has been given a modern upgrade with the integration of a cutting-edge microcontroller. The Sensor Watch, as it is now ...