const int tempPin = A0;      
const int buzzerPin = 8;     
const float thresholdTemp = 69.0;  

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

void loop() {
  int analogValue = analogRead(tempPin); 
  float voltage = analogValue * (5.0 / 1023.0);  
  float tempC = voltage * 100.0;  
  float tempF = tempC * 9.0 / 5.0 + 32.0;  

  Serial.print("Temperature: ");
  Serial.print(tempF);
  Serial.println(" F");  

  if (tempF >= thresholdTemp) {
    digitalWrite(buzzerPin, HIGH);  
  } else {
    digitalWrite(buzzerPin, LOW);   
  }

  delay(1000);  
}