HC-SR501 PIR Motion Sensor Detector Module - Pyroelectric Infrared

The PIR Motion Sensor HC-SR501 is a pyroelectric device designed to detect motion by measuring changes in the infrared levels emitted by surrounding objects. Here are its key features and specifications:

  Features:  

• Compact size: 24 x 32 mm
• Infrared sensor: dual element, low noise, high sensitivity
• Light sensor: CdS photocell (optional)
• Adjustable sensitivity and holding time
• Detection range: up to 6 meters
• Blockade time: 2.5s (default)
• Sensitive setting: adjust for distance (up to 7m)
• Time setting: adjust for time delay (up to 200s)

  Specifications:  

• Model: PIR HC-SR501
• Operating Voltage Range: DC4.5-20V
• Average Current Consumption: <60uA
• Detection Range: <140°
• Output Type: 3.3V TTL output (High/Low-level Signal)
• Work Temperature: -20°C to +80°C
• Dimensions: 32 x 24 x 18 mm
• Weight: 10g

  Package Includes:  

• 1 x PIR Motion Sensor Detector Module HC-SR501

This sensor module is commonly used in burglar alarms, access control systems, and automatically activated lighting systems to detect the movement of people, animals, or other objects within its detection range.