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Motion Detection

PIR stands for Pyroelectric ("Passive") InfraRed sensor

For a brief explanation on what PIR is and how it works, follow LadyAda's tutorial here.

For this project, you will require
  • A PIR sensor ( Dome preferred )
  • An Arduino board. (I used the Arduino Mega 2560)
  • Jumper wires
  • USB cable to program the Arduino
  • The arduino IDE correctly installed on your computer

I got all my parts from Element14 here

  • Connect VCC to 5v on the Arduino.
  • Connect Ground to GND on the Arduino.
  • Connect the Digital OUT of the PIR sensors to Digital Pin 2 on the Arduino
The output on my serial monitor was:

Angad Daryani,
Apr 8, 2014, 11:26 AM