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Passive IR Sensor, Up to 20 ft., Single or Continuous Output US$7.99

910-28027
Passive IR Sensor, Up to 20 ft., Single or Continuous Output


The PIR (Passive Infra-Red) Sensor is a pyroelectric device that detects motion by measuring changes in the infrared (heat) levels emitted by surrounding objects. When motion is detected, the PIR Sensor outputs a High signal on its output pin. This logic signal can be read by a microcontroller or be used to drive an external load. A jumper allows you to set the sensor for single or continuous trigger output. The detection range is up to 20 feet.

Differences between Rev. A & Rev. B

There is a Revision B of this sensor available which has some different features. The differences between the two versions is outlined below.
  • Rev. A jumper setting controls trigger mode; Rev. B jumper setting controls distance.
  • Rev. A requires a transistor or MOSFET to drive an external load; Rev. B can drive an external load directly.
  • Rev. A power input range is 3.3V to 5V; Rev. B power input range is 3V to 6V with higher output current.
  • Rev. A has through-hole components; Rev. B has surface-mount components plus mounting holes (making it slightly longer).
  • Rev. A's header pins are straight, perpendicular to the PCB; Rev. B's header pins are 90, parallel to the PCB.
Rev. B also has LEDs under the lens that can light when motion is detected. Both versions use the same Fresnel lens, and you can run the same programs on them.

Passive Infra-Red Sensor Module Features

  • Detection range up to 20 feet away
  • Jumper selects single or continuous trigger output mode
  • 3-pin SIP header ready for breadboard or through-hole project
  • Small size makes it easy to conceal
  • Compatible with BASIC Stamp, Propeller, and many other microcontrollers
  • Power Requirements: 3.3V to 5V DC; >3 mA (may vary)
  • Communication: Single bit high/low output
  • Operating temperature: 32 to 122 F (0 to 50 C)
  • Dimensions: 1.27 0.96 1.0 in (32.2 24.3 25.4 mm)

Download PIR Sensor Rev. A User Manual


This product was added to our catalog on Monday 04 June, 2012.

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