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Arduino Compatible PIR Motion Detector Module
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A pyroelectric infrared (PIR) motion sensor module for Arduino and microcontroller projects. It detects movement from people and animals by sensing changes i...
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A pyroelectric infrared (PIR) motion sensor module for Arduino and microcontroller projects. It detects movement from people and animals by sensing changes in infrared radiation, outputting a digital high signal when motion is detected. Two onboard potentiometers allow adjustment of sensitivity and delay time.
Key Features
- PIR Motion Detection – Detects movement via infrared radiation changes
- Adjustable Sensitivity – Onboard potentiometer to tune detection range
- Adjustable Delay Time – 0.3–18 seconds output hold time via potentiometer
- Digital Output – High (3V) when motion detected, low (0V) when idle
- Wide Voltage Range – 5–20V supply for flexible integration
- Ultra-Low Standby Current – Just 65μA quiescent draw
Specifications
- Output: Digital (3V high / 0V low)
- Delay Time: 0.3–18 seconds (adjustable)
- Quiescent Current: 65μA
- Supply Voltage: 5–20V
- Dimensions: 32×24×25mm
Ideal For
- Security and intrusion detection systems
- Automatic lighting and energy-saving projects
- Occupancy sensing and people counting
- Arduino alarm and notification projects
Package Contents
- 1× PIR motion detector module
Jargon buster
Plain-language definitions for the technical terms used above.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- Motion detection
- A camera feature that checks the image for changes that suggest something has moved. It matters because your project can use movement as a trigger instead of constantly saving or processing every frame.
- potentiometer
- A variable resistor usually turned with a knob or shaft to create an adjustable electrical signal. It is often used for inputs such as volume, brightness or position, so it helps beginners learn how a microcontroller reads changing values.
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