#include // for DHT11, // VCC: 5V or 3V // GND: GND // DATA: 2 int pinDHT11 = 2; SimpleDHT11 dht11; void setup() { Serial.begin(9600); } void loop() { // start working... Serial.println("================================="); Serial.println("Sample DHT11..."); // read with raw sample data. byte temperature = 0; byte humidity = 0; byte data[40] = {0}; if (dht11.read(pinDHT11, &temperature, &humidity, data)) { Serial.print("Read DHT11 failed"); return; } Serial.print("Sample RAW Bits: "); for (int i = 0; i < 40; i++) { Serial.print((int)data[i]); if (i > 0 && ((i + 1) % 4) == 0) { Serial.print(' '); } } Serial.println(""); Serial.print("Sample OK: "); Serial.print((int)temperature); Serial.print(" *C, "); Serial.print((int)humidity); Serial.println(" %"); // DHT11 sampling rate is 1HZ. delay(1000); }