PIR Passive Infrared Motion Sensor
Sensorsโ— In Stock

PIR Passive Infrared Motion Sensor

โ‚น150โ‚น20025% OFF

Component Technical Specifications

This PIR Motion Sensor is a highly reliable electronic module designed to detect human or animal movement by sensing changes in infrared radiation (heat). It features a Fresnel lens that focuses infrared energy onto a pyroelectric sensor, providing wide-angle detection. With onboard potentiometers for adjusting both sensitivity and time delay, this sensor is easily customizable for various environments. It is a fundamental component for automatic lighting systems, security alarms, and energy-saving smart home applications.

Technical SpecificationsPIR Motion Sensor (HC-SR501)
Sensor TypePassive Infrared (PIR) - detects heat signatures (body heat).
Operating Voltage4.5V to 20V DC (5V recommended).
Static Current< 50ยตA.
Output SignalDigital High (3.3V) when motion is detected; Digital Low (0V) when idle.
Detection Range3 to 7 meters (adjustable via onboard potentiometer).
Detection Angle< 120ยฐ cone.
Delay Time5 seconds to 200 seconds (adjustable via onboard potentiometer).
Trigger Modes* L (Non-repeatable): Output stays High for the duration of the delay, then goes Low even if motion continues.
H (Repeatable)Output stays High as long as motion is detected within the sensing range.
Pin Configuration
VCC5V - 20V Power Input.
OUTDigital Output (3.3V Logic).
GNDGround.

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