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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 single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- Motion detection
- The ability to sense that something has moved, either by comparing successive camera frames or by using a dedicated sensor such as a PIR (infrared) or radar module. When a product lists motion detection, movement can be used as a trigger so a system only acts or records when there is activity rather than running continuously.
- 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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