Le Love O meter

const int sensorPin = A0;
const float baselineTemp = 20.0;

void setup(){
  Serial.begin(9600); // ouvrir un port série

  for(int pinNumber = 2; pinNumber<5; pinNumber++){
    pinMode(pinNumber,OUTPUT);
    digitalWrite(pinNumber, LOW);
  }
}

void loop(){
  int sensorVal = analogRead(sensorPin);

  Serial.print("Valeur capteur :");
  Serial.print(sensorVal);

  // convertir la lecture du CAN en tension
  float voltage = (sensorVal/1024.0) * 5.0;
  Serial.print(", Volts : ");
  Serial.print(voltage);
  Serial.print(", degres C : ");

  // convertir la tension en température en degrés
  float temperature = (voltage- .5) * 100;
  Serial.println(temperature);

  if(temperature < baselineTemp){
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
  }else if(temperature >= baselineTemp+2 && temperature < baselineTemp+4){
    digitalWrite(2, HIGH);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
  }else if(temperature >= baselineTemp+4 && temperature < baselineTemp+6){
    digitalWrite(2, HIGH);
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
  }else if(temperature >= baselineTemp+6){
    digitalWrite(2, HIGH);
    digitalWrite(3, HIGH);
    digitalWrite(4, HIGH);
  }
  delay(1);
}