Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

Contribute to hashmi-adeem/-Distance-Measurement-and-Alarming-System-using-Arduino development by creating an account on GitHub.

Home security tech doesn't have to be large and obvious to make a difference. Some of my favorite security devices are tiny little gadgets hidden out of the way but still doing a world of good in ...

The power system configuration of HydroBot is quite sophisticated. It uses the Horizon H-60 PEM fuel cell as its “engine,” ...

Piezo devices have been employed in ultrasonic devices and sensors. xMEMS Labs used the characteristics of their piezo materials to move MEMS-sized panels.

Simiyu, G. W. and Mwatelah, J. (2025) Mapping Water Quality Using Remote Sensing Technology: A Case Study of Lake Victoria. Journal of Geoscience and Environment Protection, 13, 225-252. doi: ...

Physical fitness and exercise. Check out the latest articles on physical fitness, weight lifting programs, and new methods for improving exercise performance.