#define LM35 A0

void setup() {
  Serial.begin(9600);
  pinMode(12, OUTPUT);
pinMode(7,OUTPUT);
}
void loop() {
  int doubt ;
  double  temp ,vin ;
  doubt = analogRead(LM35);
  vin = (5000.0/1023)*doubt ;
  temp = vin /10;

  if(temp>40)
  digitalWrite(12, HIGH);
else 
  digitalWrite(12, LOW);  
if (temp<16)

 digitalWrite(7, HIGH);
else 
  digitalWrite(7,LOW);

Serial.print("temp= : ");
Serial.println(temp);

Serial.print("c");
delay(800);


}