int LED_PIN=13;
int LED_PIN2=11;
int POTENTIOMETER_PIN=A0;
void setup()
{
pinMode(LED_PIN,OUTPUT);
pinMode(LED_PIN, OUTPUT);
}
void loop()
{
int potentiometerValue = analogRead(POTENTIOMETER_PIN);
int brightness = potentiometerValue;
analogWrite(LED_PIN, brightness);
analogWrite(LED_PIN2,brightness);
analogWrite(LED_PIN2,HIGH);
delay(500);
analogWrite(LED_PIN2, LOW);
delay(500);
 }