 }
 //loop repeats continuously
 void loop(){
-  //declare array for holding IR receiver digital readings
+
   boolean ir_receiver_readings[7];
   
-  //fill the array
+  // Read each sensor
   ir_receiver_readings[0] = digitalRead(2);
   ir_receiver_readings[1] = digitalRead(3);
   ir_receiver_readings[2] = digitalRead(4);

  ir_receiver_readings[5] = digitalRead(7);
  ir_receiver_readings[6] = digitalRead(8);
  
  //loop through the IR readings
  for(int i=0;i<7;i++){
    //print 1 to serial if beacon is detected
    if (ir_receiver_readings[i] == 0)

    else
      Serial.print("0 ");
  }
  Serial.print("\n"); 
  
  //Wait 30ms
