HC SR501 Passive Infrared Sensor (PIR) - rac2030/MakeZurich GitHub Wiki

Links

Limitation notes

  • Uses 5-20V on VCC
  • Arduino Pro mini in the kit has 3.3V

Stuff to first tryout before confirming

Sample code

Simple test code can be found at adafruit => https://learn.adafruit.com/pir-passive-infrared-proximity-motion-sensor/using-a-pir