DHT11

#include <SimpleDHT.h>

// for DHT11,

// VCC: 5V or 3V

// GND: GND

// DATA: 14

int pinDHT11 = 14;

SimpleDHT11 dht11(pinDHT11);

void setup() {

Serial.begin(9600);

}

void loop() {

// start working...

Serial.println("=================================");

Serial.println("Sample DHT11...");

// read without samples.

byte temperature = 0;

byte humidity = 0;

int err = SimpleDHTErrSuccess;

if ((err = dht11.read(&temperature, &humidity, NULL)) != SimpleDHTErrSuccess) {

Serial.print("Read DHT11 failed, err="); Serial.println(err);delay(1000);

return;

}

Serial.print("Sample OK: ");

Serial.print((int)temperature); Serial.print(" *C, ");

Serial.print((int)humidity); Serial.println(" H");

// DHT11 sampling rate is 1HZ.

delay(1500);

}