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    Eksempel:

    #include <SimpleDHT.h>

    // for DHT22, VCC: 5V or 3V, GND: GND, DATA: 2
    int pinDHT22 = 2;
    SimpleDHT22 dht22(pinDHT22);

    void setup() {
    Serial.begin(115200);
    }

    void loop() {
    // start working...
    Serial.println("=================================");
    Serial.println("Sample DHT22...");

    // read without samples.
    // @remark We use read2 to get a float data, such as 10.1*C
    // if user doesn't care about the accurate data, use read to get a byte data, such as 10*C.
    float temperature = 0;
    float humidity = 0;
    int err = SimpleDHTErrSuccess;
    if ((err = dht22.read2(&temperature, &humidity, NULL)) != SimpleDHTErrSuccess) {
    Serial.print("Read DHT22 failed, err="); Serial.println(err);delay(2000);
    return;
    }

    Serial.print("Sample OK: ");
    Serial.print((float)temperature); Serial.print(" *C, ");
    Serial.print((float)humidity); Serial.println(" RH%");

    // DHT22 sampling rate is 0.5HZ.
    delay(2500);
    }

     

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