A Stepper motor which is also known as step motor or stepping, is a brush less DC electric motor that...

A servo motor is a rotary actuator or a motor that allows for precise control in terms of angular position,...

A cooling fan is a vital component in a car cooling system that helps to take away all the heat...

A battery holder is a device having one or more compartments or chambers for holding batteries. For dry-cell, the holder...

Primarily batteries are used only once and then discarded. They have the advantages of convenience and the cost of batteries...

Biometrics are body measurement and calculation which is related to human characteristics. Biometric authentication is used in computer science as a...

A rotary encoder which is also called a shaft encoder is an elector-mechanical device that converts the angular position or...

A Radio frequency identification reader (RFID reader) is a device used to gather information from the RFID tag which is...

In environmental sensors are connected objects capable of providing various types of information like location, position, the individual’s movements, and...

A proximity sensor is a device that senses or detects the presence of a nearby object without any physical contact....