int led1 = 2;
int led2 = A1;
int led3 = A2;
int led4 = A3;
int led5 = A4;
int led6 = A5;

int button1 = 0;
int button2 = 0;
int dh =1;

const int transistorPin = 9;    // connected to the base of the transistor



void setup(void)
{
  Serial.begin(9600);

  // set  the transistor pin as output:
  pinMode(transistorPin, OUTPUT);

  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);

  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(3, INPUT);
  pinMode(10, INPUT);
}


void loop(void){

  // read the potentiometer:
  int sensorValue = analogRead(A0);
  // map the sensor value to a range from 0 - 255:
  int outputValue = map(sensorValue, 0, 1023, 0, 255);
  // use that to control the transistor:
  analogWrite(transistorPin, outputValue);

  while (dh=1){
    // begin LEDs

    digitalWrite(led1, HIGH);
    delay(100);
    // read the potentiometer:
    int sensorValue = analogRead(A0);
    // map the sensor value to a range from 0 - 255:
    int outputValue = map(sensorValue, 0, 1023, 0, 255);
    // use that to control the transistor:
    analogWrite(transistorPin, outputValue);
    digitalWrite(led1, LOW);
    delay(100);
    digitalWrite(led2, HIGH);
    delay(100);
    digitalWrite(led2, LOW);
    delay(100);
    digitalWrite(led3, HIGH);
    delay(100);
    // read the potentiometer:

    // map the sensor value to a range from 0 - 255:

    // use that to control the transistor:
    analogWrite(transistorPin, outputValue);
    digitalWrite(led3, LOW);
    delay(100);
    digitalWrite(led4, HIGH);
    delay(100);
    digitalWrite(led4, LOW);
    delay(100);
    digitalWrite(led5, HIGH);
    delay(100);
    // read the potentiometer:

    // map the sensor value to a range from 0 - 255:

    // use that to control the transistor:
    analogWrite(transistorPin, outputValue);
    digitalWrite(led5, LOW);
    delay(100);
    digitalWrite(led6, HIGH);
    delay(100);
    digitalWrite(led6, LOW);
    delay(100);

    // backwards LEDs

    digitalWrite(3, HIGH);
    digitalWrite(10, HIGH);

    // read the potentiometer:

    // map the sensor value to a range from 0 - 255:

    // use that to control the transistor:
    analogWrite(transistorPin, outputValue);
    digitalWrite(led5, HIGH);
    delay(100);
    digitalWrite(led5, LOW);
    delay(100);
    // read the potentiometer:

    // map the sensor value to a range from 0 - 255:

    // use that to control the transistor:
    analogWrite(transistorPin, outputValue);
    digitalWrite(led4, HIGH);
    delay(100);
    digitalWrite(led4, LOW);
    delay(100);
    digitalWrite(led3, HIGH);
    delay(100);
    // read the potentiometer:

    // map the sensor value to a range from 0 - 255:

    // use that to control the transistor:
    analogWrite(transistorPin, outputValue);
    digitalWrite(led3, LOW);
    delay(100);
    digitalWrite(led2, HIGH);
    delay(100);
    digitalWrite(led2, LOW);
    delay(100);
    digitalWrite(led1, HIGH);

    digitalWrite(led1, LOW);


    // end LEDs
  }
  while (dh=1){
    button1 = digitalRead(3);
    button2 = digitalRead(10);
    if (button1 == LOW) {
      digitalWrite(5, HIGH);
      while(1);
      while(1) {
      }
    }
    if (button2 == LOW) {
      digitalWrite(6, HIGH);
      while(1);
      while(1) {
      }
    }

  }
}