Parallax

PIR Sensor (Rev B)

SKU: 32PX555-28027

  • Sale
  • Regular price $16.95


The PIR Sensor detects motion by measuring changes in the infrared (heat) levels emitted by surrounding objects. When motion is detected a LED lights up the lens dome as a visual signal, and the module also outputs a high signal on its output pin.

NOTE: The product information found on this page currently pertains to Revision B of this product, which provides many updates and features from Revision A. Some of these include:

  • Longer detection range, selectable by onboard jumper
  • Wider supply voltage, from 3 to 6 VDC
  • Higher output current provides for direct control of an external load
  • Mounting holes included for permanent projects
  • All parts SMT

Key Features:

  • Typically detects a person up to approximately 30 ft away, or up to 15 ft away in reduced sensitivity mode
  • Jumper selects normal operation or reduced sensitivity
  • Approximately 90 degree field of view
  • LEDs light up the dome for visual signal of sensor activation
  • Mounting holes for 2-56 sized screws provide easy integration in permanent applications
  • 3-pin SIP package perfect for breadboard-friendly projects
  • Easy communication with any microcontroller
  • Small size makes it easy to conceal

Application Ideas:

  • Motion-activted nightlight
  • Alarm system
  • Animated holiday props

Details:

  • Source current up to 12 mA @ 3V, 23 mA @ 5V
  • Voltage requirements: 3 to 6 VDC
  • Current requirements: 130 uA idle, 3 mA active (no load)
  • Communication: Single bit high/low output
  • Dimensions: 1.41 x 1.0 x 0.8 in (3.6 x 2.5 x 2.0 cm)
  • Operating temp range: 32 to 122 °F (0 to 50 °C)