const int potPin = A0;  // Potensiometrning analog pin raqami
const int ledPin = 9;  // LED chirog‘ining pin raqami

void setup() {
  pinMode(ledPin, OUTPUT);  // LED chirog‘ini chiqish sifatida sozlash
}

void loop() {
  int potValue = analogRead(potPin);  // Potensiometrning qiymatini o‘qish
  int brightness = map(potValue, 0, 1023, 0, 255);  // Qiymatni 0 dan 1023 gacha bo‘lgan oraliqdagi tartibga keltirish

  analogWrite(ledPin, brightness);  // LED chirog‘ini o'zgartirish
}