Outdoor light motion sensors can add a healthy level of security to your home. Here's how to set them up.

[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sens… ...

An outdoor motion detector light can save electricity and scare off intruders. But if passing cars or the neighbor's dog ...

IR-8 from Climax from the passive infrared motion detector is a microprocessor controlled PIR Detector. Its advanced digitalized adaptive signal processor algorithm enables the PIR detector to ...

Unlike infrared optical sensors that use an LED transmitter and IR receiver, the PIR emits nothing. As its “passive” name suggests, it responds only to infrared energy radiated by the object ...

The passive infrared (PIR) sensor market is experiencing significant growth as demand for efficient motion detection and ...

A look at the benefits and drawbacks of Aqara's new P2 motion sensor that works with Matter and HomeKit for automations.