include “DHT.h”
define DHTPIN 2
define DHTTYPE DHT11
include
include
LiquidCrystal_PCF8574 lcd(0x27);
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
Serial.println(F(“DHTxx test!”));
lcd.begin(16, 2);
lcd.print(“Ready”);
dht.begin();
}
void loop() {
lcd.setBacklight(255);
delay(2000);
float h = dht.readHumidity();
float t = dht.readTemperature();
Serial.print(F(“Humidity: “));
Serial.print(h);
Serial.print(F(“% Temperature: “));
Serial.print(t);
Serial.print(F(“°C “));
Serial.println(“”);
lcd.setCursor(0, 0);
lcd.print(“* first line.”); lcd.setCursor(0, 1); lcd.print(“* second line.”);
}
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