PIR Motion Sensor Module (HC‑SR501)

Overview

PIR (passive infrared) motion sensor module HC‑SR501. Detects human movement up to 7m with 100° detection angle. Adjustable sensitivity and delay.

Key Features

• Adjustable sensitivity and delay
• Digital output (high/low)
• Supply: 4.5–20V
• Wide detection angle (~100°)

Specifications

• Operating Voltage: 4.5–20V

Dimensions & Weight

• Length: ~32 mm
• Width: ~24 mm
• Weight: ~10 g

Package Includes

• 1 × PIR Sensor Module

Applications

• Motion detection and security
• Lighting control and automation
• Arduino and embedded projects