Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive and easily available components. One advantage of using Arduino as a security system is the flexibility!

TK has combined a PIR with an Arduino to create a smart safety light for the house or workshop. Follow along as this gets built out into a more extensive project.

Using motion detectors and an Ardunio you can add a little extra wow to your Halloween displays this year. This article covers the circuits and the code to make that happen.

This breadboard compatible package combines an ESP32-S2 module with a top-mounted PIR sensor, making it a turn key solution for all sorts of motion sensing projects.

Wireless sensor networks are nothing new to Hackaday, but [Felix]’s wireless PIR sensor node is something else entirely. Rarely do we see something so well put together that’s also so w… ...

Makers and developers looking for a motion sensor Arduino Shield, are sure to be interested in this new ICU-Duino which has been created by Patrick Thomas Mitchell based in Ottawa, Canada. The ICU ...

As far as motion-sensing features are concerned, this light bulb uses the PIR infrared sensor to make sure any motion is detected.

The ELK-6032 Two-Way Wireless Outdoor PIR Motion Sensor is the ideal wireless solution for perimeter detection, spot/area detection, or for immediate perimeter/boundary detection directly on a ...

The Aqara Presence Sensor FP2 is the most versatile of the motion/presence sensors that Aqara has to offer, thanks to its powerful hardware and sophisticated software design.