int LED1 = 13;
int LED2 = 12;
int LED3 = 11;
int IR1 = 2;
int IR2 = 3;
int IR3 = 4;
int val1 = 0;

void setup() {
  pinMode(IR1, INPUT);
  pinMode(IR2, INPUT);
  pinMode(IR3, INPUT);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  Serial.begin(9600);

}

void loop() {
  val1 = digitalRead(IR1);
  
  if (val1 == 0) {
    digitalWrite(LED1, HIGH);
  }
  else {
    digitalWrite(LED1, LOW);
  }

delay(200);

}