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 ...

The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it as a motion sensor light switch or motion activated alarm too. Before beginning the construction ...

If a video camera is not present to help validate the motion detector alarm, the device itself can store a snapshot of the alarm-inducing condition for retrieval by a security operator.

Infineon’s BGT60LTR11AIP with integral antenna is a 60-GHz radar-based motion detector on a minuscule assembly that can competitively outperform the popular passive-infrared method.

A California company, Factory Enhancements Corp., has introduced a motion-sensor alarm system that might help keep your bike from joining the missing.

Motion sensors: Unlike entry sensors, motion sensors set off the alarm and alert you when motion is detected in protected areas inside your home.

The Lock Alarm attaches to your notebook and features a motion sensor and a combination lock. If the device is moved without the proper combination being entered within a short amount of time a ...