#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 2
#define DHTTYPE DHT22
LiquidCrystal_I2C lcd(0x27, 16, 2); // I2C address 0x27 (from DIYables LCD), 16 columns and 2 rows
DHT dht(DHTPIN, DHTTYPE);
void setup() {
dht.begin(); // Initialize the sensor
lcd.init(); // Initialize the LCD
lcd.backlight(); // Turn on the backlight
}
void loop() {
delay(2000); // Wait a few seconds between measurements
float humidity = dht.readHumidity(); // Read humidity
float tempC = dht.readTemperature(); // Read temperature in Celsius
lcd.clear(); // Clear the LCD display
lcd.setCursor(0, 0);
lcd.print("Temp: ");
lcd.print(tempC);
lcd.print((char)223); // Degree symbol
lcd.print("C");
lcd.setCursor(0, 1);
lcd.print("Humi: ");
lcd.print(humidity);
lcd.print("%");
}