[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 sensors ...

The presented schematic shows how to build a simple PIR motion sensor. PIR sensors allow motion sensing, it is almost always used to detect whether someone has moved in or out of the sensors range.

ICP DAS USA releases PIR-130-DC, a 1-channel passive infrared (PIR) sensor module that detects human-body generated infrared waves within a range of approximately 8 meters (315 inches) in diameter ...

This article is sponsored by Aqara. Product choices and opinions expressed are from the sponsor and do not reflect the views of Android Police editorial staff. When it comes to smart home automation, ...

This article aims to demonstrate the design of a smart brightness-controlled lamp with a motion sensor using a programmable mixed-signal matrix with four outputs, operating voltage up to 13.2 V, and 2 ...