HC-SR501 PIR Motion Sensor with Adjustable Sensitivity & Delay

Description

The HC-SR501 PIR Motion Sensor is a passive infrared module designed to detect human motion by sensing changes in infrared radiation. It provides a digital output of 3.3 V (high) and 0 V (low), with an adjustable sensitivity up to a 6 m sensing distance and a detection angle of 110°. The module operates within a wide voltage range of 4.5–20 V and features adjustable output delay of approximately 2–4 seconds. With a low quiescent current of 50 µA and compact 32 × 24 mm dimensions, it is suitable for low-power electronic systems. Typical applications include security systems, automatic lighting, occupancy detection, and microcontroller-based projects.

Availability:
In Stock
Product Code:
VT-2680
QAR17.00
Voltaat
Update Last Updated: 2026-01-13 23:34:43
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Features

  • Passive Infrared (PIR) sensing element for human motion detection

  • Adjustable sensitivity with maximum sensing distance up to 6 m

  • Detection angle of up to 110° for wide area coverage

  • Digital output levels of 3.3 V (HIGH) and 0 V (LOW)

  • Operating voltage range from 4.5 V to 20 V

  • Adjustable output delay time of approximately 2–4 seconds

  • Low quiescent current consumption of 50 µA

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