The PIR Motion Sensor Module is an electronic sensor designed to detect movement by sensing changes in infrared radiation emitted by people and animals. It is commonly used in automatic lighting, security systems, and Arduino-based projects.
Features
-
Detects motion using passive infrared (PIR) technology
-
Compact PCB design with a white Fresnel lens
-
Digital output signal for easy interfacing
-
Compatible with Arduino and other microcontrollers
-
Low-power sensing operation
-
Suitable for automatic switching and security applications
-
Easy to integrate into DIY electronics projects
Specifications
| Specification | Details |
|---|---|
| Product Type | PIR Motion Sensor Module |
| Sensor Type | Passive Infrared |
| Operating Voltage | Typically 3.3–5V DC, depending on model |
| Output Type | Digital HIGH/LOW |
| Detection Method | Infrared radiation changes |
| Sensing Lens | Fresnel lens |
| Interface | 3-pin connection, typically |
| Output Logic | HIGH when motion is detected; LOW when inactive, depending on configuration |
| Compatible Platforms | Arduino, ESP32 and other compatible controllers |
| PCB Color | Green |
Pin Configuration
| Pin | Function |
|---|---|
| VCC | Power supply input |
| OUT | Digital motion detection signal |
| GND | Ground connection |
Pin order may vary by module. Check the board markings before wiring.
Applications
-
Automatic lights and lamps
-
Home security systems
-
Motion-activated alarms
-
Smart home automation
-
Arduino and ESP32 projects
-
Occupancy detection
-
Energy-saving lighting systems
-
Interactive electronic projects
Advantages
-
Detects movement without physical contact
-
Simple digital interface
-
Easy to use with microcontrollers
-
Compact and lightweight
-
Helps automate lighting and security functions
-
Suitable for educational and hobby projects
Package Includes
– 1 × PIR Motion Sensor Module
Note
Operating voltage, detection range, delay time, and sensitivity depend on the exact module model. Allow the sensor to stabilize after powering it on, and verify its pin configuration before connecting it to a controller.







Reviews
There are no reviews yet.