const int trig = 9;
const int echo = 10;
long duration;
int distance;

int photoSensor = A3;
int photoSensorValue;
int led = 3;

void setup(){
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(led, OUTPUT);
  pinMode(photoSensor, INPUT);
  Serial.begin(9600);
}

void loop(){
  digitalWrite(trig, LOW);
  delayMicroseconds(5);

  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);

  duration = pulseIn(echo, HIGH);
  distance = duration*0.034/2;

  //DEBUG
  Serial.print("Distance: ");
  Serial.println(distance);
  Serial.print("Photosens: ");
  Serial.println(photoSensorValue);

  photoSensorValue = analogRead(photoSensor);
  if(distance >= 150 && photoSensorValue < 40){
    Serial.print("LIGHT");
    digitalWrite(led, HIGH);
    delay(1000);

  }else{
    digitalWrite(led, LOW);
    delay(200);
  }
}