While I typically try to keep my tinkering focused on practical purposes, sometimes I just have to pull a good prank ...

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.

Motion sensing is the detection of the change in position of an object relative to its surroundings or vice versa. There are many kinds of motion detector methods: infrared, optics, radio frequency, ...

[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… ...

The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it as a motion sensor light switch or motion activated alarm too. Before beginning the construction ...

The PIR motion sensor is a key component in this project. It detects infrared radiation from moving objects, such as humans or animals, and sends a signal to the Raspberry Pi.

PIR is also very power efficient, so it’s often used in battery-powered cameras, keeping them in a low-power non-recording state until the PIR sensor detects motion.

Camtraptions have just launched their new camera trap sensor. The company has been creating sensors for DSLR camera trap photography since 2014. The original Camtraptions PIR motion sensor broke new ...