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Me PIR sensors are used to detect motion from animals/ humans from about 6m away. If anyone moved in that range, the sensor outputs HIGH on its SIG pin. With a potentiometersoldered on its circuit board, you can adjust its detecting range according to your need. Here are some ideas for application: motion detecting, thief-guarding system, automation switch. Note: when you give it power supply,you may need to wait 10 seconds until the sensor Initialize.


  • Adjustable detecting range and high sensity
  • A power indicator LED(Red) and a state indicator(Blue)
  • 16mm interval M4 mounting holes, compatible with Makeblock beams
  • 2.54mmbreakout pins for connecting with jumper wires
  • Easy wiring with 6 Pin RJ11 interface
  • Arduino library for easy programming


  • Rated Voltage: 5V
  • Working temperture:-20℃~+70℃
  • Level output voltage: 5V/high, 0V/low
  • Trigger signal: 5V/high
  • Holding time: 2s
  • Detecting angle: 120 degree
  • Detecting distance: max 6m
  • Size:24x48x 32mm(Length x Width x Height)