40 lines
802 B
Arduino
40 lines
802 B
Arduino
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#include "DHT.h"
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#define DHTPIN D5 // what pin we're connected to
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#define DHTTYPE DHT11 // DHT 22 (AM2302)
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DHT dht(DHTPIN, DHTTYPE);
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void setup()
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{
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Serial.begin(9600);
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Serial.println("DHTxx test!");
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dht.begin();
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}
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void loop()
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{
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// Wait a few seconds between measurements.
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delay(2000);
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float h = dht.readHumidity();
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float t = dht.readTemperature();
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float f = dht.readTemperature(true);
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// Check if any reads failed and exit early (to try again).
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if (isnan(h) || isnan(t) || isnan(f))
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{
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Serial.println("Failed to read from DHT sensor!");
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return;
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}
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Serial.print("Humidity: ");
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Serial.print(h);
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Serial.print(" %\t ");
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Serial.print("Temperature: ");
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Serial.print(t - 2);
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Serial.print(" *C ");
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Serial.print(f);
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Serial.println(" *F");
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}
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