int temperature = 52;
void setup() {
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
}

void loop() {
  if(temperature < 50 && temperature > 10){
    digitalWrite(6, HIGH);
    delay(1000);
    digitalWrite(6, LOW);
    delay(1000);
  }
  else if (temperature > 50 && temperature < 70) {
    digitalWrite(7, HIGH);
    delay(2000);
    digitalWrite(7, LOW);
    delay(2000);
  }
  else {
    digitalWrite(8, HIGH);
    delay(500);
    digitalWrite(8, LOW);
    delay(500);
  
  }
}