//Controle PID Temperatura
const float BETA = 3950; 
float Pfrio= 13;
float Arrefec= 12;
float celsius = 0;
float analogValue = 0;
int controle_pwm= 50;

void setup() {
  Serial.begin(9600);
  pinMode(Pfrio, OUTPUT);
  pinMode(Arrefec, OUTPUT);
  digitalWrite(Pfrio, LOW);
}

void loop() {
  float analogValue = analogRead(A0);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.print("Temperatura: ");
  Serial.print(celsius);
  Serial.println(" ℃");
  delay(1000);

if (celsius <= 16){
    digitalWrite(Pfrio, HIGH);
  }
    else {
    digitalWrite(Pfrio, LOW);
  }
  if (celsius > 70){
    digitalWrite(Arrefec, HIGH);
  }
    else {
    digitalWrite(Arrefec, LOW);
  }

}