#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16, 2);
int hasilSensorLDR;

void setup() {
  lcd.begin(16, 2);
  pinMode(6, OUTPUT);
}
void loop() {
  hasilSensorLDR = analogRead(0);
 if (hasilSensorLDR < 400) {
    digitalWrite(4,HIGH);
    lcd.backlight();
    lcd.setCursor(3, 0);
    lcd.print("SENSOR GELAP");
    lcd.setCursor(2, 1);
    lcd.print("Nilai = ");
    lcd.print(hasilSensorLDR);
    delay(1000);
    lcd.clear();
  } else {
    digitalWrite(4, LOW);
    lcd.backlight();
    lcd.setCursor(3, 0);
    lcd.print("SENSOR TERANG");
    lcd.setCursor(2, 1);
    lcd.print("Nilai = ");
    lcd.print(hasilSensorLDR);
    delay(1000);
    lcd.clear();
  }
}