HC-SR501 PIR motion sensor module detects human or animal movement using infrared. Provides digital output compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers. Ideal for security systems, automatic lighting, and motion-activated devices.
Specification | Details |
|---|---|
Model | HC-SR501 PIR Motion Sensor Module |
Sensor Type | Passive Infrared (PIR) |
Operating Voltage | 4.5 V – 20 V DC (typical 5 V) |
Output | Digital HIGH when motion detected |
Detection Range | Adjustable 3 – 7 m (via potentiometer) |
Detection Angle | ~110° horizontal |
Time Delay | Adjustable 0.3 s – 300 s |
Trigger Type | Repeatable or non-repeatable mode selectable |
Power Consumption | Low (~65 µA standby, <50 mA active) |
Module Dimensions | ~32 × 24 × 22 mm |
Weight | ~20 g |
Applications | Security systems, motion-activated lighting, IoT motion detection, automation systems |
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