const int pirPin = 2;        // PIR sensorining chiqish pini
const int buttonPin = 3;     // Tugma pini
const int potPin = A0;       // Potensiometr pini
const int ledR = 9;          // RGB LEDning qizil pini
const int ledG = 10;         // RGB LEDning yashil pini
const int ledB = 11;         // RGB LEDning ko'k pini

bool pirEnabled = false;     // PIR sensori faolligi holati
int buttonState = 0;         // Tugma holati
int lastButtonState = 0;     // Oxirgi tugma holati

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(buttonPin, INPUT_PULLUP);  // Tugmani kirish va ichki tortish qarshiligini yoqish
  pinMode(ledR, OUTPUT);
  pinMode(ledG, OUTPUT);
  pinMode(ledB, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  buttonState = digitalRead(buttonPin);
  
  // Tugma bosilganligini tekshirish
  if (buttonState == LOW && lastButtonState == HIGH) {  // Tugma past holatda (bosilgan)
    pirEnabled = !pirEnabled;  // PIR sensor holatini o'zgartirish
    delay(50);  // Tebranishni oldini olish uchun kichik kechikish
  }
  lastButtonState = buttonState;
  
  if (pirEnabled) {
    int potValue = analogRead(potPin);  // Potensiometr qiymatini o'qish
    int toneValue = map(potValue, 0, 1023, 0, 255);
    
    if (digitalRead(pirPin) == HIGH) {
      // Harakat aniqlanganda LED chiroqni yoqish
      analogWrite(ledR, toneValue);
      analogWrite(ledG, 255 - toneValue);
      analogWrite(ledB, toneValue / 2);
    } else {
      // Harakat aniqlanmaganda LED chiroqni o'chirish
      analogWrite(ledR, 0);
      analogWrite(ledG, 0);
      analogWrite(ledB, 0);
    }
  } else {
    // PIR sensor o'chirilganda LED chiroqni o'chirish
    analogWrite(ledR, 0);
    analogWrite(ledG, 0);
    analogWrite(ledB, 0);
  }
  
  delay(100);  // Tez-tez ishlov berish uchun kechikish
}