[Brad] was asked by his Sister to design a motion-based alarm that would help her catch her son sneaking out of the house at night. Obviously this didn’t need to be a long-term installation so he ...

If you’re looking for something to do this weekend, consider this PIR (passive infrared) Sensor Alarm project. Not only will the motion-sensing alarm protect your gear from animals and zombies alike, ...

The sound of car alarms going off at the touch are common enough. How do these car protection systems detect intrusion? In a car alarm system, a siren is connected to a few sensors to ensure that as ...

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 ...

FOUNTAIN VALLEY, Calif. – June 19, 2014 – D-Link today announced it is now shipping a new Wi-Fi Motion Sensor, the company’s latest addition to its line of Connected Home products designed to make ...