The geomagnetic field is another name for the earth's magnetic field. Geomagnetic sensors, often known as electronic compasses, are devices...

Sensors are physical objects that can detect events and changes in various parameters such as environment, temperature, humidity, and so...

Edwin Hall discovers Hall voltage in 1879. The nature of the current in a conductor causes the Hall Effect. This...

Typically, radio waves, optical radiations, and occasionally acoustic waves are used to create wireless communication with a distant object. These...

In 1950, Samuel Bango created the first motion sensor, which he called a burglar alarm. He used the fundamentals of...