added3pinsNowit's6.ino

int ledPin1 = 11;
int ledPin2 = 12;
int ledPin3 = 13;
int ledPin4 = 10;
int ledPin5 = 9;
int ledPin6 = 8;
void setup() {
  pinMode(ledPin1,OUTPUT);
  pinMode(ledPin2,OUTPUT);
  pinMode(ledPin3,OUTPUT);
  pinMode(ledPin4, OUTPUT);
  pinMode(ledPin5, OUTPUT);
  pinMode(ledPin6, OUTPUT);

}

void loop() {
  // read the input on analog pin 0:
  int sensorValue = analogRead(A0);
  // The analog pin reads from 0 to 1023.
  // This commands maps those numbers from 4 to 0
  // So 0 becomes 4 and 1023 becomes 0
  Serial.println(sensorValue);
  int mappedSensorValue = map( sensorValue, 0, 1023, 7 , 0);
  //Here we test the mappedsensorvalue. If it is greater then 1 we turn
  // on the LED on Pin 2 and then see if it is greater then 2.
  if (mappedSensorValue > 1) {
    digitalWrite (ledPin1, HIGH);
    if (mappedSensorValue > 2) {
      digitalWrite (ledPin2, HIGH);
      if (mappedSensorValue > 3) {
        digitalWrite (ledPin3, HIGH);
        if (mappedSensorValue > 4) {
          digitalWrite (ledPin4, HIGH);
          if (mappedSensorValue > 5) {
            digitalWrite (ledPin5, HIGH);
            if (mappedSensorValue > 6) {
              digitalWrite (ledPin6, HIGH);
            }
            else{//If it is not greater we start turning LEDs off.
              digitalWrite (ledPin6, LOW);
            }
          }
          else{
            digitalWrite (ledPin5, LOW);
          }
        }
        else{
          digitalWrite (ledPin4, LOW);
        }
      }
      else{
        digitalWrite (ledPin3, LOW);
      }
    }
    else{
      digitalWrite (ledPin2, LOW);
    }
  }
  else{
    digitalWrite (ledPin1, LOW);
  }

}