//PIR SENSOR - MOTION DETECTION

int pir=2;
int value;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(pir, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  value=digitalRead(pir);
  Serial.print("PIR value: ");
  Serial.println(value);
}