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PIR Motion Sensor
PIR Motion Sensor
PIR Motion Sensor
PIR Motion Sensor
PIR Motion Sensor
PIR Motion Sensor
PIR Motion Sensor
PIR Motion Sensor

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EMS-00006-A

(Last updated) Jun 03, 2026

PIR Motion Sensor

PIR Motion Sensor

Subcategory
EMS - Input: Sensors

Description

The PIR Motion Sensor is a passive infrared (PIR) detection module used to detect human movement and body heat based on infrared radiation changes. The most common version is the HC-SR501 PIR sensor module, which uses a pyroelectric infrared sensor and Fresnel lens to detect motion within its sensing range. (components101.com)

Manufacturer Details

Manufacturer Part Number
HC HC-SR501
DFRobot SEN0171
SparkFun SEN-13285
Keyestudio KS0031

Application Resources

No application resources.

Technical Specifications

Product Type PIR Motion Sensor
Model HC-SR501
Sensor Type Passive Infrared
Operating Voltage 5V – 20V DC
Detection Distance 3 – 7 meters

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