Reading temperature and humidity from DHT22
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#include "DHT.h"
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#define DHTPIN 5
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#define DHTTYPE DHT22
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DHT dht(DHTPIN, DHTTYPE);
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void setup() {
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Serial.begin(115200);
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Serial.println("Initialised...");
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dht.begin();
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}
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void loop()
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{
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delay(1500);
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float h = dht.readHumidity();
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float t = dht.readTemperature();
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if (isnan(h) || isnan(t)) {
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Serial.println("Error. Can't get humidity/temperature.");
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return;
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}
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Serial.print("Temperature: ");
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Serial.print(t);
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Serial.print(" ");
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Serial.print("Humidity: ");
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Serial.print(h);
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Serial.println();
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}
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