Motion Sensor

motionsensor.ino

int nudgingLedPin = 13;                // choose the pin for the LED
int pushButtonPin = 9;
int greenLedPin = 11;                // choose the pin for the LED
int inputPin = 2;               // choose the input pin (for PIR sensor)
int pirState = LOW;             // we start, assuming no motion detected
int val = 0;                    // variable for reading the pin status
int push = 0;

void setup() {
  pinMode(nudgingLedPin, OUTPUT);      // declare LED as output
  pinMode(inputPin, INPUT);     // declare sensor as input
  pinMode(pushButtonPin, INPUT_PULLUP);

  Serial.begin(9600);
}
 
void loop(){
  val = digitalRead(inputPin);  // read input value
  push = digitalRead(pushButtonPin);

  if (val == HIGH) {            
    digitalWrite(nudgingLedPin, HIGH);  // turn LED ON
  
    if (pirState == LOW) {
      Serial.println("Motion detected!"); // print on output change
      pirState = HIGH;
    }
  } else {
    digitalWrite(nudgingLedPin, LOW); // turn LED OFF
    if (pirState == HIGH) {
      Serial.println("Motion ended!");  // print on output change
      pirState = LOW;
    }
  }

  if (push == LOW) {
    //val = LOW;
    digitalWrite(nudgingLedPin, LOW);
    digitalWrite(greenLedPin, HIGH);
    delay(2000);
    digitalWrite(greenLedPin, LOW);
  }
  // hvis knappen bliver trykket
  // sluk ledPin 13
  // Tænd grøn led pin i X sekunder
}