Passive infrared (PIR) sensors detect infrared energy radiating from objects within their field of vision.

A quick introduction According to Seeed studio, Grove-mini PIR motion sensor is a simple to use passive infrared motion sensor with Grove compatible interface, allows you to sense motion, usually ...

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

Combination flame & passive infrared motion sensor with two output modes including “And” detection and “Individual” modes. Designed to minimize nuisance alarms where fast acting spark ...

The peripheral hides a grid of infrared motion sensors between the keys, letting you perform hand gestures in a more natural position.