HC-SR501 PIR IR Passive Infrared Motion Detector Sensor Module for Arduino DIY

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  • Regular price $5.29

The HC-SR501 PIR motion detector is based on infrared technology and features high sensitivity, high reliability wide detection angle, long range and ultra-low power operating mode.

Great for use with microcontrollers such as Arduino, Digispark and Raspberry Pi, it can be used for automatic-on lighting, automatic starting, anti-theft security alarm and many other motion detection applications. It is widely used in various auto-sensing electrical equipment, especially for battery-powered automatic controlled products.

The module features adjustable sensitivity that allows for a motion detection range from 3 meters to 7 meters, and also includes time delay adjustments and trigger selection that allow for fine tuning within your application.


  • Working Voltage: 5V to 20V DC
  • Static (quiescent) current: <60uA
  • Output signal: High level 3.3V, low level 0V
  • Time Delay: Adjustable (3s~300s)
  • Blockage time: 0.2s
  • Detectable Area: <120°/7M (max)
  • Sensitivity: Adjustable
  • Operating Temperature: -15° to +70°C
  • PCB Size: 32mm x 24mm
  • Induction Lens Size (Diameter): 23mm

Package Includes:

  • 1X HC-SR501 PIR Motion Sensor Passive Infrared Receiver Module
  • Link to online usage and operation instructions

See a video describing the operation of the HC-SR501 from JohnAudioTech on Youtube: