#include <DHT.h>
#include <LiquidCrystal_I2C.h>
#define DHTPIN 2
#define LEDPIN 13
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27,16,2); // 접근주소: 0x3F or 0x27
void setup() {
pinMode(13, OUTPUT);
Serial.begin(9600);
dht.begin();
lcd.init();
lcd.backlight();
}
void loop() {
delay(1000); // Wait a few seconds between measurements.
float h = dht.readHumidity();
float t = dht.readTemperature();
float f = dht.readTemperature(true);
lcd.setCursor(0,0); lcd.print("TEMP: "); lcd.print(t);
lcd.setCursor(0,1); lcd.print("THuMID: "); lcd.print(h);
Serial.print("Humidity: ");
Serial.print(h,1);
Serial.print("% Temperature: ");
Serial.print(t,1);
Serial.print("C & ");
Serial.print(f,1);
Serial.println("F");
if (t<=25)
{
digitalWrite(13, LOW);
}
else if (t>25)
{
digitalWrite(13, HIGH);
}
}