Código completo

#include <Arduino_MKRIoTCarrier.h>

MKRIoTCarrier carrier;

const int chipSelect = 0;

float temp1=0.0;

float humidity = 0.0;

String dataString="";

void setup() {

Serial.begin(9600);

SD.begin(chipSelect);

delay(5000);

if (!carrier.begin()) {

Serial.println("Error al inicializar los sensores");

}

else{

Serial.println("Sensor iniciado correctamente!");

}

while (!SD.begin(chipSelect)) {

Serial.println("Error al leer microsd");

}

Serial.print("Leyendo SD.......");

Serial.println("SD preparada");

//CARRIER_CASE = false;

}

void tempSensor(){

temp1 = carrier.Env.readTemperature(CELSIUS);

Serial.print("Temperature = ");

Serial.print(temp1);

Serial.println(" °C");

}

void humiditySensor(){

humidity = carrier.Env.readHumidity();

Serial.print("Humidity = ");

Serial.print(humidity);

Serial.println(" %");

Serial.println();

}

void storageSD(){

dataString += "Temperatura," + String(temp1) + ",C," + "Humedad," + String(humidity) +",%";

File dataFile = SD.open("datalog.csv", FILE_WRITE);

if (dataFile) {

dataFile.println(dataString);

dataFile.close();

}

else {

Serial.println("error opening datalog.txt");

}

}

void loop() {

dataString ="";

tempSensor();

humiditySensor();

storageSD();

delay(1000);

}