Motion sensor facts for kids
A motion sensor is a sensor device. It is used for studying motions. It is connected to a data-logger. The data-logger is connected to a computer. The computer runs a data-logging program. The computer is connected to power, and a security system. Motion sensors have many uses including security.
Images for kids
A passive infrared detector mounted on circuit board (right), along with photoresistive detector for visible light (left). This is the type most commonly encountered in household motion sensing devices and is designed to turn on a light only when motion is detected and when the surrounding environment is sufficiently dark.
Motion sensor Facts for Kids. Kiddle Encyclopedia.