float temp;
int tempPin=0;
int pirsensor=0;
int led=8;
int buzzer=3;

void setup()
{
  Serial.begin(9600);
  pinMode (2,OUTPUT);
  pinMode (8,OUTPUT);
  pinMode (3,OUTPUT);
}
void loop(){
temp=analogRead(tempPin);
temp=temp*0.48828125;
pirsensor=digitalRead(2);

if(pirsensor=HIGH)
{
  digitalWrite(led,HIGH);
  digitalWrite(buzzer,HIGH);
}
else
{
  digitalWrite(led,LOW);
  digitalWrite(buzzer,LOW);
}
delay(500);
  
  if (temp>50){
  Serial.print("TEMPERATURE=");
  Serial.print(temp);
  Serial.print("*C");
  Serial.println();
  delay(100);
}
}