int temp=A0;
int light =8;
int led=7;
int buz=2;
void setup() {
  // put your setup code here, to run once:
pinMode(temp, INPUT);
pinMode(light, OUTPUT);
pinMode(led, OUTPUT);
pinMode(buz, OUTPUT);
}

void loop() {
  
const float BETA = 3950; 
int analogValue = analogRead(A0);
float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
if(celsius>40){
  digitalWrite(light, HIGH);
  digitalWrite(led,LOW);
  delay(100);
  if(celsius>60){
    digitalWrite(led, HIGH);
    digitalWrite(buz, HIGH);
    delay(100);
  }
}

  else{
    digitalWrite(led, LOW);
    digitalWrite(light, LOW);
    digitalWrite(buz, LOW);
    delay(100);
  }
}