int redPin = 9;   // Qizil LED pini
int greenPin = 10; // Yashil LED pini
int bluePin = 11;  // Ko'k LED pini

void setup() {
  // Har bir LED pinini chiqish sifatida sozlaymiz
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
}

void loop() {
  // Ranglar orasida o'tish uchun for tsiklidan foydalanamiz
  for (int i = 0; i <= 255; i++) {
    setColor(i, 0, 0);    // Qizil rangni oshirish
    delay(10);
  }
  for (int i = 0; i <= 255; i++) {
    setColor(255, i, 0);  // Qizil va yashil rangni oshirish, sariq rangga o'tish
    delay(10);
  }
  for (int i = 0; i <= 255; i++) {
    setColor(255 - i, 255, 0);  // Yashil rangga o'tish
    delay(10);
  }
  for (int i = 0; i <= 255; i++) {
    setColor(0, 255, i);  // Yashil va ko'k rangni oshirish, siyohrangga o'tish
    delay(10);
  }
  for (int i = 0; i <= 255; i++) {
    setColor(0, 255 - i, 255);  // Ko'k rangga o'tish
    delay(10);
  }
  for (int i = 0; i <= 255; i++) {
    setColor(i, 0, 255);  // Qizil va ko'kni oshirish, pushti rangga o'tish
    delay(10);
  }
  for (int i = 0; i <= 255; i++) {
    setColor(255, 0, 255 - i);  // Qizilga qaytish
    delay(10);
  }
}

// RGB LED'ni rangini o'zgartirish uchun funksiya
void setColor(int red, int green, int blue) {
  analogWrite(redPin, red);
  analogWrite(greenPin, green);
  analogWrite(bluePin, blue);
}