int redPin = 9;    // Qizil LED digital pin 9 ga ulangan
int greenPin = 10;  // Yashil LED digital pin 10 ga ulangan
int bluePin = 11;   // Ko'k LED digital pin 11 ga ulangan

void setup() {
  pinMode(redPin, OUTPUT);   // Qizil LEDni chiqish rejimiga sozlaydi
  pinMode(greenPin, OUTPUT); // Yashil LEDni chiqish rejimiga sozlaydi
  pinMode(bluePin, OUTPUT);  // Ko'k LEDni chiqish rejimiga sozlaydi
}

void loop() {
  // Qizilni yoqadi
  analogWrite(redPin, 255);   // Qizil LED intensivligini sozlaydi (0 dan 255 gacha)
  analogWrite(greenPin, 0);   // Yashil LEDni o'chiradi
  analogWrite(bluePin, 0);    // Ko'k LEDni o'chiradi
  delay(1000);                // Bir soniya kutiladi

  // Yashilni yoqadi
  analogWrite(redPin, 0);     // Qizil LEDni o'chiradi
  analogWrite(greenPin, 255); // Yashil LED intensivligini sozlaydi (0 dan 255 gacha)
  analogWrite(bluePin, 0);    // Ko'k LEDni o'chiradi
  delay(1000);                // Bir soniya kutiladi

  // Ko'kni yoqadi
  analogWrite(redPin, 0);     // Qizil LEDni o'chiradi
  analogWrite(greenPin, 0);   // Yashil LEDni o'chiradi
  analogWrite(bluePin, 255);  // Ko'k LED intensivligini sozlaydi (0 dan 255 gacha)
  delay(1000);                // Bir soniya kutiladi

  // Barcha LEDlarni o'chiradi
  analogWrite(redPin, 0);     // Qizil LEDni o'chiradi
  analogWrite(greenPin, 0);   // Yashil LEDni o'chiradi
  analogWrite(bluePin, 0);    // Ko'k LEDni o'chiradi
  delay(1000);                // Bir soniya kutiladi
}