#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,20,4);

int pinsensor = A0;
int ledungu = 13;
int ledbiru = 12;
int ledhijau = 11;
int ledkuning = 10;
int nilaisensor;

void setup() {
  Serial.begin(9600);
  pinMode(pinsensor, INPUT);
  pinMode(ledungu, OUTPUT);
  pinMode(ledbiru, OUTPUT);
  pinMode(ledhijau, OUTPUT);
  pinMode(ledkuning, OUTPUT);
}

void loop() {
  nilaisensor = analogRead(pinsensor);
  Serial.println(nilaisensor);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Syalita Widyandini");
  lcd.setCursor(0,1);
  lcd.print("IK-2D");
  lcd.setCursor(0,2);
  lcd.print("3.34.21.3.23");
  lcd.setCursor(0,3);
  lcd.print("Nilai Analog : ");
  lcd.print(nilaisensor);

  if(nilaisensor >=0 && nilaisensor < 256)
  {
    digitalWrite(ledungu, HIGH);
    delay(500);
    digitalWrite(ledungu, LOW);
    delay(500);
  } else if(nilaisensor >=256 && nilaisensor < 512)
  {
    digitalWrite(ledbiru, HIGH);
    delay(500);
    digitalWrite(ledbiru, LOW);
    delay(500);
  } else if(nilaisensor >=512 && nilaisensor <768)
  {
    digitalWrite(ledhijau, HIGH);
    delay(500);
    digitalWrite(ledhijau, LOW);
    delay(500);
  } else
  {
    digitalWrite(ledkuning, HIGH);
    delay(500);
    digitalWrite(ledkuning, LOW);
    delay(500);
  }
}