HC-SR501 PIR MOTION SENSOR

🔹 HC-SR501 PIR Motion Sensor Module

The HC-SR501 PIR Motion Sensor is a widely used infrared sensor that detects motion based on changes in infrared radiation levels. It’s ideal for security systems, automatic lighting, and smart home applications, offering stable performance, adjustable sensitivity, and delay time.

✅ Specifications:

• Model: HC-SR501

• Operating Voltage: 4.5V – 20V DC

• Detection Range: Up to 7 meters (adjustable)

• Detection Angle: 120°

• Trigger Mode:

  • Repeatable (H) – sensor stays active as long as motion continues

  • Non-repeatable (L) – sensor outputs only once per trigger

• Delay Time: Adjustable (5s – 5min)

• Sensitivity Adjustment: Yes (distance and delay time)

• Output Type: Digital (High = 3.3V, Low = 0V)

• Operating Temperature: –15°C to +70°C

• Dimensions: 32mm × 24mm × 18mm

📦 Applications:
✔️ Motion-activated lighting
✔️ Security and alarm systems
✔️ Smart home automation
✔️ Energy-saving projects
✔️ Arduino and Raspberry Pi motion detection