int leftPin = 3; // LED connected to digital pin 13

 int rightPin = 11; // LED connected to digital pin 13 

 void playNote(int tone) { 

   for (int i=0; i < 100; i++) {
     digitalWrite(leftPin, HIGH);   // sets the LED on
     digitalWrite(rightPin, HIGH);   // sets the LED on
     delayMicroseconds(tone);                  // waits for a second
     digitalWrite(leftPin, LOW);    // sets the LED off
     delayMicroseconds(tone);                  // waits for a second
     digitalWrite(leftPin, HIGH);   // sets the LED on
     digitalWrite(rightPin, LOW);   // sets the LED on
     delayMicroseconds(tone);                  // waits for a second
     digitalWrite(leftPin, LOW);    // sets the LED off
     delayMicroseconds(tone);                  // waits for a second
   }
 } 

 void setup() // run once, when the sketch starts
 {
   pinMode(leftPin, OUTPUT);      // sets the digital pin as output
   pinMode(rightPin, OUTPUT);      // sets the digital pin as output
 } 

 void loop() //run over and over again
 { 

  playNote(analogRead(5));
  delay(200);
 }