// Объявляем Константами

#define LED_PIN  9
#define POT_PIN     A0


void setup()
{
  //  объявляем  пины 

  pinMode(LED_PIN, OUTPUT);
  pinMode(POT_PIN, INPUT);
  pinMode(8, OUTPUT);


Lab3();


}


void loop(){
  digitalWrite(8, HIGH);
  delay(1000); // Wait for 1000 millisecond(s)
  digitalWrite(8, LOW);
  delay(1000);



  Lab2(); //Лабаа номер 2
}


void Lab2(){

  analogWrite(LED, 85);
  delay(250);
  
  analogWrite(LED, 170);
  delay(250);

  analogWrite ( LED, 255);
  delay(250); 
}

void  Lab3{
  int rotation;
  int brightness;


  rotation = analogRead(POT_PIN);
  brightness = rotation / 4;


  analogWrite(LED_PIN, brightness);
}