HC-SR505 Mini PIR Motion Sensor Module (Infrared Detector)
Compact and low-power infrared motion sensor designed for detecting human presence and movement. The HC-SR505 is perfect for battery-powered projects, automation systems, and security applications thanks to its small size and efficient operation.
✔ Key Features
✔ Mini PIR motion sensor with compact design
✔ Detects human movement via infrared radiation
✔ Low power consumption – ideal for battery projects
✔ Digital output (HIGH/LOW signal)
✔ Fast response and reliable detection
✔ Easy integration with Arduino, ESP32, Raspberry Pi
🔹 Specifications
🔹 Model: HC-SR505
🔹 Operating Voltage: 4.5V – 20V DC
🔹 Output Type: Digital (HIGH when motion detected)
🔹 Detection Range: ~3 meters
🔹 Detection Angle: ~100°
🔹 Delay Time: ~8 seconds (fixed)
🔹 Power Consumption: Very low
➤ Applications
➤ Motion-activated lighting
➤ Security and alarm systems
➤ Smart home automation
➤ Battery-powered sensors
➤ DIY electronics projects
⚠ Notes
⚠ Detection range may vary depending on environment
⚠ Not suitable for precise distance measurement
⚠ Allow sensor to stabilize after power-on (~30–60 seconds)
📦 Package Includes
✔ 1 × HC-SR505 Mini PIR Motion Sensor Module