float tempC;
int lm35_pin = A0;           
int temp_adc_val;

void setup() {
  pinMode (11, OUTPUT);
  pinMode (12, OUTPUT);
  analogReference(INTERNAL); // Сconnect the reference internal voltage source of 1.1 V
  Serial.begin(9600);
}

void loop() { 
  float temp_val;
  temp_adc_val = analogRead(lm35_pin);  // Read Temperature
  tempC = temp_adc_val / 9.31;   // Convern ADC into Temperature 1024/1,1/100
  Serial.print("Temperature = ");
  Serial.print(tempC);
  Serial.println(" *C"); 
  Serial.print("ADC = ");
  Serial.println(temp_adc_val);     

  if(tempC < 22)
  {
    digitalWrite(11, LOW);
    digitalWrite(12, HIGH);
  }
  else if(tempC >= 22)
  {
    digitalWrite(12, LOW);
    digitalWrite(11, HIGH);
  }
  delay(1000);  
}