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You are here: Home / Archives for PIR (Passive Infrared)

Detecting Static Human with PIR

Last Updated on April 1, 2021 by Swagatam 20 Comments

PIR chopper for detecting stationery human presence

The post explains a method which can be probably used for enhancing a passive infrared sensor ability to detect even a static or stationery human presence. This feature is normally […]

Filed Under: Infrared (IR), PIR (Passive Infrared), Security and Alarm

PIR Ceiling Fan Controller Circuit

Last Updated on July 3, 2019 by Swagatam 135 Comments

The post explains a simple automatic PIR controlled fan circuit for school college use, which responds and switches ON only in the presence of a human (students) in the classroom. […]



Filed Under: Home Electrical Circuits, PIR (Passive Infrared)

Simple PIR LED Lamp Circuit

Last Updated on February 9, 2020 by Swagatam 119 Comments

The following PIR LED lamp circuit was designed by me for one of the followers of this blog Mr.Deepak upon his request. The circuit is a LED driver which responds to ambient […]

Filed Under: Mini Projects, PIR (Passive Infrared), Sensors and Detectors



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