[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 ...

In this tutorial we will use a Passive Infra-Red (PIR) sensor as an input to trigger a LED. A PIR sensor works by detecting heat as an object passes by it. Plug the micro: bit into the GPIO shield.

Refer below Tutorials "ESP32-Sensor(PIR)on Arduino":- Visit for simillar projects at https://microdigisoft.com Tutorial 1:PIR Motion Sensor, ESP32 Arduino and ...

Proximity sensing is a common application for intruder alarms, light switches, and other home and industrial automation applications. There are multiple methods of proximity detection used in the ...