int ledRed = 10;
int ledGreen = 11;
int signal = 2;
int pirState = LOW;
int value = 0;




void setup() {
  // put your setup code here, to run once:
  pinMode(ledRed, OUTPUT);
  pinMode(ledGreen, OUTPUT);
  
  pinMode(signal, INPUT);

  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
  value = digitalRead(signal);
  if (value == HIGH) {
    digitalWrite(ledRed, HIGH);
    digitalWrite(ledGreen, LOW);
    if (pirState == LOW) {
      Serial.println("Motion detected!");
      pirState = HIGH;
    }

  }else {
    digitalWrite(ledRed, LOW);
    digitalWrite(ledGreen, HIGH);
    if (pirState == HIGH) {
      Serial.println("Motion ended");
      pirState = LOW;
    }

  }
  
}