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 ...

Motion detection has become an essential ingredient in traditional electronic security and now it is being utilized in access control and video surveillance systems. With more applications and so many ...

Motion sensors (MD) are often used to switch on lights when a person enters a room, by using infrared sensors to detect body heat. A motion detector may itself possess a lighting control function, or ...

The fact that we are able to see movement may sound trivial. After all, we perceive motion the very second we open our eyes. However, we are only beginning to grasp the complexity of the nerve cell ...

A new class of very small handheld devices can detect motion a thousand times more subtly than any tool known. ALBUQUERQUE, N.M. - A new class of very small handheld devices can detect motion a ...

In a fruit fly, nerve cells that detect limb movement are silenced when the insect walks or grooms. This on-off switch may help the nervous system to shift between two states: one helps keep the body ...

Improvised explosive devices set off by motion detection that were used against U.S. forces in Iraq have been employed by ISIS fighters to slow the offensive against Raqqa, the so-called capital of ...