const int pirPin = 2;
const int ledPin = 7;
const int buzzerPin = 8;
const int tempPin = A0;

int pirState = LOW;
int tempVal = 0;

void setup() {
  pinMode(pirPin, INPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  pirState = digitalRead(pirPin);
  tempVal = analogRead(tempPin);

  if (pirState == HIGH) {
    digitalWrite(ledPin, HIGH);
    tone(buzzerPin, 1000);
    delay(500);
    noTone(buzzerPin);
    Serial.println("Motion detected!");
  } else {
    digitalWrite(ledPin, LOW);
  }

  float tempC = (5.0 * tempVal * 100.0) / 1024.0;
  Serial.print("Temperature: ");
  Serial.print(tempC);
  Serial.println("C");

  delay(1000);
}