#define ADC_VREF_mV    5000.0 // in millivolt
#define ADC_RESOLUTION 4096.0
#define PIN_LM35       13 // ESP32 pin GIOP36 (ADC0) connected to LM35
int dio = 10;
int CLK = 11;
int rele = 8;


void setup() {

  // Start the Serial Monitor
  Serial.begin(9600);
  // Start the DS18B20 sensor
  pinMode(rele, OUTPUT);
  //sensors.begin();
}

void loop() {
 

  //Código LM35
  int adcVal = analogRead(PIN_LM35);
  // convert the ADC value to voltage in millivolt
  float milliVolt = adcVal * (ADC_VREF_mV / ADC_RESOLUTION);
  // convert the voltage to the temperature in °C
  float tempC = milliVolt / 10;
  // convert the °C to °F
  float tempF = tempC * 9 / 5 + 32;

  Serial.print("Temperatura em °C: ");
  Serial.print(tempC);
  Serial.println("°C");
  //*********************

  if (tempF >= 30){
   digitalWrite(rele, 1);
    
  }
  else {
   digitalWrite(rele, 0);

  delay(5000);
}