31 lines
618 B
Arduino
31 lines
618 B
Arduino
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// Incluimos librería
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#include <DHT.h>
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#define DHTPIN 4 //DHT21
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#define DHTTYPE DHT21
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DHT dht21(DHTPIN,DHTTYPE);
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float temp, hum;
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void setup() {
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Serial.begin(9600);
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dht21.begin();
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}
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void loop() {
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temp = dht21.readTemperature();
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hum = dht21.readHumidity();
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// Comprobamos si ha habido algún error en la lectura
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if (isnan(hum) || isnan(temp)) {
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Serial.println("Error obteniendo los datos del sensor DHT11");
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return;
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}
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Serial.print("Humedad: ");
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Serial.print(hum);
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Serial.println(" %");
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Serial.print("Temperatura: ");
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Serial.print(temp);
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Serial.print(" *C ");
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delay(2000);
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}
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