The motion detector is not only used as intruder alarm but also used in many applications like home automation system, energy efficiency system, etc. The motion detector will detect the motion of the ...

The detection of approaching objects, such as looming predators, is necessary for survival. Which neurons and nerve circuits mediate this function? A new type of nerve cell, sensitive to approaching ...

The visual scene as projected onto the retina contains a wealth of information about the environment, such as the color of individual objects, their depth in space and the direction in which they are ...

Many close-proximity motion detectors use the classic, widely available passive-infrared (PIR) approach, which is effective but has limited sensitivity and adjustability, and can’t “see” through ...

This motion detector alarm can detect a moving person from a distance of 1 meter. It uses a dual IR Transmitter-Receiver module HOA1405. When the sensor detects the reflected IR rays, alarm will sound ...