PIR sensors circuits & projects (6)

Browse through a total of 6 PIR sensors circuits & projects.

Arduino PIR sensor

Arduino Night Security Alarm with PIR Sensor

T.K. Hareendran - 01/31/2014

In the microcontroller era today, Arduino is more than just a tool to accomplish hobby tasks. There is [...]
automatic pest repellent

Automatic Pest Repellent

T.K. Hareendran - 11/05/2013

Automatic Pest Repellent is a non-chemical, clean, harmless and effective solution to unwanted pests. The circuit described here [...]
PIR LED security light circuit schematic

LED Security Light with PIR Motion Sensor

T.K. Hareendran - 02/25/2013

Here is one simple circuit of a general-purpose white LED security light with Passive Infrared (PIR) Motion sensing [...]

Security Light & Switch with PIR Sensor Update

Jim Keith - 09/04/2012

This is a simple update to Mr. Hareendran’s PIR Sensor Security Light circuit. It has a shortcoming limits [...]
pir motion sensor switch circuit schematic

Security Light & Switch with PIR Sensor

T.K. Hareendran - 09/06/2010

Moderately priced Passive Infrared PIR Sensor modules are now widely available. By using these readymade and pre-configured PIR [...]
electric sprinkler

Motion Activated Switch for Alarm, Light or Water Sprinkler

T.K. Hareendran - 08/13/2010

The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it [...]
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