Lightning is a powerful and seemingly mysterious force of nature, capable of releasing huge amounts of energy over relatively short times and striking almost at random. Lightning obeys the laws of ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

A new sensor has been developed by engineers that is made of a special rubber layer between two strips of copper that act like radio antennas; the rubber is an insulator. Pressure squeezes the ...